Cita APA (7th ed.)

Hardjono, J. M. (1991). Indonesia: Resources, ecology, and environment. Oxford University Press.

Cita Chicago (17th ed.)

Hardjono, Joan M. Indonesia: Resources, Ecology, and Environment. Oxford: Oxford University Press, 1991.

Cita MLA (9th ed.)

Hardjono, Joan M. Indonesia: Resources, Ecology, and Environment. Oxford University Press, 1991.