Dyfyniad APA

Lauff, G. (1967). Eatuaries. American Association for Advancement of Science.

Dyfyniad Arddull Chicago

Lauff, George. Eatuaries. Washington: American Association for Advancement of Science, 1967.

Dyfyniad MLA

Lauff, George. Eatuaries. American Association for Advancement of Science, 1967.

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