APA
"Canada T. a. c. i. (. o., "Canada T. a. c. i. (. o., . (1971). Canada Year Book. 1970-71. : .
Chicago
"Canada Trade and commerce industry (ministry of-)", "Canada Trade and commerce industry (ministry of-)", . 1971. Canada Year Book. 1970-71. : .
Harvard
"Canada T. a. c. i. (. o., "Canada T. a. c. i. (. o., . (1971). Canada Year Book. 1970-71. : .
MLA
"Canada Trade and commerce industry (ministry of-)", "Canada Trade and commerce industry (ministry of-)", . Canada Year Book. 1970-71. : . 1971.
