Gaya APA
BUCHSBAUM, R., BUCHSBAUM, M. (1994).
ANIMALS Without Backbones (3rd. ed.).
Chicago:
The University of Chicago Press.
Gaya MLA
BUCHSBAUM, Ralph., BUCHSBAUM, Mildred..
"ANIMALS Without Backbones".
3rd. ed.
Chicago:
The University of Chicago Press,
1994.
Teks.