APA citiranje

Walker, R. (2007). UNDER THE MICROSCOPE HEART How the blood gets around the body. Grolier.

Chicago Style Citation

Walker, Richard. UNDER THE MICROSCOPE HEART How the Blood Gets Around the Body. Grolier, 2007.

MLA citiranje

Walker, Richard. UNDER THE MICROSCOPE HEART How the Blood Gets Around the Body. Grolier, 2007.

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