APA
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . (1970). Annual report,1969-70. Calcutta: Indian Statistical Institute.
Chicago
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . 1970. Annual report,1969-70. Calcutta: Indian Statistical Institute.
Harvard
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . (1970). Annual report,1969-70. Calcutta: Indian Statistical Institute.
MLA
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . Annual report,1969-70. Calcutta: Indian Statistical Institute. 1970.
