Gaya APA

LEUSER A Sumatran Sanctuary. (1996). : .

Gaya Chicago

LEUSER A Sumatran Sanctuary. . : , 1996. Text.

Gaya MLA

LEUSER A Sumatran Sanctuary. . : , 1996. Text.

Gaya Turabian

LEUSER A Sumatran Sanctuary. : , 1996. Print.