Cita APA (7th ed.)

(1974). The protein planner. Pyramid Books.

Cita Chicago (17th ed.)

The Protein Planner. New York: Pyramid Books, 1974.

Cita MLA (9th ed.)

The Protein Planner. Pyramid Books, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.