APA (7e ed.) Bronvermelding

Ryzhov, V. A. (1989). Pro︠t︡sessor problemno-orientirovannykh dialogovykh zaprosov: Dl︠i︡a IBM PC-XT-AT. Vychislitelʹnyi ︠t︡sentr AN SSSR.

Chicago (17e ed.) Bronvermelding

Ryzhov, V. A. Pro︠t︡sessor Problemno-orientirovannykh Dialogovykh Zaprosov: Dl︠i︡a IBM PC-XT-AT. Moskva: Vychislitelʹnyi ︠t︡sentr AN SSSR, 1989.

MLA (8e ed.) Bronvermelding

Ryzhov, V. A. Pro︠t︡sessor Problemno-orientirovannykh Dialogovykh Zaprosov: Dl︠i︡a IBM PC-XT-AT. Vychislitelʹnyi ︠t︡sentr AN SSSR, 1989.