Cita APA (7th ed.)

Abbott, J. C. (1958). Marketing problems and improvement programs. Food and Agriculture Organization of the United Nations.

Cita Chicago (17th ed.)

Abbott, John Cave. Marketing Problems and Improvement Programs. Rome: Food and Agriculture Organization of the United Nations, 1958.

Cita MLA (9th ed.)

Abbott, John Cave. Marketing Problems and Improvement Programs. Food and Agriculture Organization of the United Nations, 1958.

Atenció: Aquestes cites poden no estar 100% correctes.