Gaya APA
Arking, R., Arking, R. (1998).
Biology of Aging: Observations and Principles (Edisi II).
:
Sinauer Associates.
Gaya MLA
Arking, Robert., Arking, Robert.
"Biology of Aging: Observations and Principles".
Edisi II
:
Sinauer Associates,
1998.
Text.