APA (7th ed.) Zitazioa

(1982). Problem solving and comprehension / Arthur Whimbey, Jack Lochhead ; cover design and illustrations by Miriam Seidel.

Chicago Style (17th ed.) Zitazioa

Problem Solving and Comprehension / Arthur Whimbey, Jack Lochhead ; Cover Design and Illustrations by Miriam Seidel. 1982.

MLA (9th ed.) Zitazioa

Problem Solving and Comprehension / Arthur Whimbey, Jack Lochhead ; Cover Design and Illustrations by Miriam Seidel. 1982.

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