Dyfyniad APA

Martin, B., Jr. Polar Bear, Polar Bear, What Do You Hear? Henry Holt & Company.

Dyfyniad Arddull Chicago

Martin, Bill, Jr. Polar Bear, Polar Bear, What Do You Hear? Henry Holt & Company.

Dyfyniad MLA

Martin, Bill, Jr. Polar Bear, Polar Bear, What Do You Hear? Henry Holt & Company.

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