APA

Shaffer D., Platt D. C., . (1994). Abstractions and programming in Turbo Pascal. Fort Worth, Tex: Saunders College Pub.

Chicago

Shaffer Dale, Platt David C, . 1994. Abstractions and programming in Turbo Pascal. Fort Worth, Tex: Saunders College Pub.

Harvard

Shaffer D., Platt D. C., . (1994). Abstractions and programming in Turbo Pascal. Fort Worth, Tex: Saunders College Pub.

MLA

Shaffer Dale, Platt David C, . Abstractions and programming in Turbo Pascal. Fort Worth, Tex: Saunders College Pub. 1994.