APA citiranje

Sparling, R. C. (1968). 1967 Annual financial analysis of a group of petroleum companies. New York: The Chase Manhattan Bank.

Trích dẫn kiểu Chicago

Sparling, Richard C. 1967 Annual Financial Analysis of a Group of Petroleum Companies. New York: The Chase Manhattan Bank, 1968.

MLA citiranje

Sparling, Richard C. 1967 Annual Financial Analysis of a Group of Petroleum Companies. New York: The Chase Manhattan Bank, 1968.