APA (7th ed.) Zitazioa

(1978). Beyond the easy answer: Exploring new perspectives through creative problem-solving games / by Richard Weintraub and Richard Krieger ; illustrations by Peter Green.

Chicago Style (17th ed.) Zitazioa

Beyond the Easy Answer: Exploring New Perspectives Through Creative Problem-solving Games / by Richard Weintraub and Richard Krieger ; Illustrations by Peter Green. 1978.

MLA (9th ed.) Zitazioa

Beyond the Easy Answer: Exploring New Perspectives Through Creative Problem-solving Games / by Richard Weintraub and Richard Krieger ; Illustrations by Peter Green. 1978.