Cita APA

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

Citación estilo Chicago

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

Cita MLA

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