Sparling, R. C. (1968). 1967 Annual financial analysis of a group of petroleum companies. New York: The Chase Manhattan Bank.
Trích dẫn kiểu ChicagoSparling, Richard C. 1967 Annual Financial Analysis of a Group of Petroleum Companies. New York: The Chase Manhattan Bank, 1968.
ציטוט MLASparling, Richard C. 1967 Annual Financial Analysis of a Group of Petroleum Companies. New York: The Chase Manhattan Bank, 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.