Cita APA (7th ed.)

thomsen, f. l. (1951). Agricultural marketing. mcgraw hill book company, inc.

Cita Chicago (17th ed.)

thomsen, frederick lundy. Agricultural Marketing. new york , london: mcgraw hill book company, inc, 1951.

Cita MLA (9th ed.)

thomsen, frederick lundy. Agricultural Marketing. mcgraw hill book company, inc, 1951.