APA استشهاد

Sitter, L. U. (1956). Structural geology (1.). Mc GRaw- Hill Book Company Inc.

استشهاد بنمط شيكاغو

Sitter, L U. Structural Geology. 1. London: Mc GRaw- Hill Book Company Inc, 1956.

MLA استشهاد

Sitter, L U. Structural Geology. 1. Mc GRaw- Hill Book Company Inc, 1956.