Παραπομπή APA

Gardner, M. (1991). The ambidextrous universe: Mirror asymmetry and time-reversed worlds (2nd ed.). London: Penguin Books.

Παραπομπή Chicago Style

Gardner, Martin. The Ambidextrous Universe: Mirror Asymmetry and Time-reversed Worlds. 2nd ed. London: Penguin Books, 1991.

Παραπομπή MLA

Gardner, Martin. The Ambidextrous Universe: Mirror Asymmetry and Time-reversed Worlds. 2nd ed. London: Penguin Books, 1991.

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