Gaya APA
al], J. (1993).
Pengelolaan kawasan dilindungi di daerah tropika=Managing protected areas in the tropics (cet. 2).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
al], John...[et.
"Pengelolaan kawasan dilindungi di daerah tropika=Managing protected areas in the tropics".
cet. 2
Yogyakarta:
Gadjah Mada University Press,
1993.
Text.