Cita APA (7a ed.)

Ferber, R. (1955). Factors influencing durable goods purchases. University of Illinois.

Cita Chicago Style (17a ed.)

Ferber, Robert. Factors Influencing Durable Goods Purchases. Urbana: University of Illinois, 1955.

Cita MLA (8a ed.)

Ferber, Robert. Factors Influencing Durable Goods Purchases. University of Illinois, 1955.