APA (7th ed.) Zitazioa

Crowell, R. A. (1977). Stock market strategy. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Crowell, Richard A. Stock Market Strategy. Nueva York: McGraw-Hill, 1977.

MLA (9th ed.) Zitazioa

Crowell, Richard A. Stock Market Strategy. McGraw-Hill, 1977.