(1986). Medicine and health 1986. Grolier Incoporated.
Cita Chicago (17th ed.)Medicine and Health 1986. Connecticut: Grolier Incoporated, 1986.
Cita MLA (9th ed.)Medicine and Health 1986. Grolier Incoporated, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.