APA

Sillars Robertson, Goldstein Harold et. al, . (1950). Audio-visual education in international and human relations : Report of a study conducted by staff members of the audio-visual laboratory of the institute of adult education teachers college, Colubmbia university. New York, USA: Bureau of Publications.

Chicago

Sillars Robertson, Goldstein Harold et. al, . 1950. Audio-visual education in international and human relations : Report of a study conducted by staff members of the audio-visual laboratory of the institute of adult education teachers college, Colubmbia university. New York, USA: Bureau of Publications.

Harvard

Sillars Robertson, Goldstein Harold et. al, . (1950). Audio-visual education in international and human relations : Report of a study conducted by staff members of the audio-visual laboratory of the institute of adult education teachers college, Colubmbia university. New York, USA: Bureau of Publications.

MLA

Sillars Robertson, Goldstein Harold et. al, . Audio-visual education in international and human relations : Report of a study conducted by staff members of the audio-visual laboratory of the institute of adult education teachers college, Colubmbia university. New York, USA: Bureau of Publications. 1950.