Παραπομπή APA

Guertin, R. l. (1977). Introduction to PL 360 programming. Wardsworth.

Παραπομπή Chicago Style

Guertin, Richard l. Introduction to PL 360 Programming. Belmont: Wardsworth, 1977.

Παραπομπή MLA

Guertin, Richard l. Introduction to PL 360 Programming. Wardsworth, 1977.