APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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