Cita APA (7th ed.)
Porter, S. F. (1979). Sylvia Porter's New money book for the 80's. Doubleday.
Cita Chicago (17th ed.)
Porter, Sylvia Field. Sylvia Porter's New Money Book for the 80's. Garden City, N.Y.: Doubleday, 1979.
Cita MLA (9th ed.)
Porter, Sylvia Field. Sylvia Porter's New Money Book for the 80's. Doubleday, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.