APA ציטוט

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.

ציטוט MLA

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