Burger, A., & Hajdu, G. (1970). Economic problems of consumers' services. Akadémiai Kiadó.
Chicago Style (17th ed.) ZitazioaBurger, Anna, eta Gy Hajdu. Economic Problems of Consumers' Services. Budapest: Akadémiai Kiadó, 1970.
MLA (9th ed.) ZitazioaBurger, Anna, eta Gy Hajdu. Economic Problems of Consumers' Services. Akadémiai Kiadó, 1970.