APA (7th ed.) Zitazioa

Willoughby, S. S. (1981). Measuring bowser: Thinking story book. Open Court Publishers.

Chicago Style (17th ed.) Zitazioa

Willoughby, Stephen S. Measuring Bowser: Thinking Story Book. Illinois: Open Court Publishers, 1981.

MLA (9th ed.) Zitazioa

Willoughby, Stephen S. Measuring Bowser: Thinking Story Book. Open Court Publishers, 1981.