APA aipamena

Guth, H. P. (1969). Essay (Second edition.). Belmont, California: Wadsworth Publishing Company.

Chicago Style aipamena

Guth, Hans P. Essay. Second edition. Belmont, California: Wadsworth Publishing Company, 1969.

MLA aipamena

Guth, Hans P. Essay. Second edition. Belmont, California: Wadsworth Publishing Company, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.