Cita APA (7a ed.)

Moll, H. (1987). The economics of oil palm. Pudoc.

Cita Chicago Style (17a ed.)

Moll, H.A.J. The Economics of Oil Palm. Wageningen: Pudoc, 1987.

Cita MLA (9a ed.)

Moll, H.A.J. The Economics of Oil Palm. Pudoc, 1987.