APA引文

N.P.C. (1965). N.P.C. Information. National productivity council.

Chicago Edition Citation

N.P.C. N.P.C. Information. National productivity council, 1965.

MLA引文

N.P.C. N.P.C. Information. National productivity council, 1965.

警告：这些引文格式不一定是100％准确.