Dyfyniad APA

Opie, L. H. (1981). The heart and its functions. University of Cape Town.

Dyfyniad Arddull Chicago

Opie, Lionel H. The Heart and Its Functions. [Cape Town]: University of Cape Town, 1981.

Dyfyniad MLA

Opie, Lionel H. The Heart and Its Functions. University of Cape Town, 1981.

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