Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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