Tohutoro APA (7th ed.)

Burger, A., & Hajdu, G. (1970). Economic problems of consumers' services. Akadémiai Kiadó.

Tohutoru Kātū Chicago (17th ed.)

Burger, Anna, me Gy Hajdu. Economic Problems of Consumers' Services. Budapest: Akadémiai Kiadó, 1970.

Tohutoro MLA (9th ed.)

Burger, Anna, me Gy Hajdu. Economic Problems of Consumers' Services. Akadémiai Kiadó, 1970.