Dyfyniad APA

Spinar, Z. V. (1972). Tertiary frogs from Central Europe. Academia Pub. House of the Czechoslovak Academy of Sciences.

Dyfyniad Arddull Chicago

Spinar, Zdenek V. Tertiary Frogs from Central Europe. Prague: Academia Pub. House of the Czechoslovak Academy of Sciences, 1972.

Dyfyniad MLA

Spinar, Zdenek V. Tertiary Frogs from Central Europe. Academia Pub. House of the Czechoslovak Academy of Sciences, 1972.

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