Παραπομπή APA

Vogel, S. (1998). Cats' paws and catapults: Mechanical worlds of nature and people. London: Penguin Books.

Παραπομπή Chicago Style

Vogel, Steven. Cats' Paws and Catapults: Mechanical Worlds of Nature and People. London: Penguin Books, 1998.

Παραπομπή MLA

Vogel, Steven. Cats' Paws and Catapults: Mechanical Worlds of Nature and People. London: Penguin Books, 1998.

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