Cita APA (7a ed.)
Leeuw, P. d. (1984). The primary and secondary productivity of the savannas in the middle belt of Nigeria.
Cita Chicago Style (17a ed.)
Leeuw, P.N. de. The Primary and Secondary Productivity of the Savannas in the Middle Belt of Nigeria. 1984.
Cita MLA (9a ed.)
Leeuw, P.N. de. The Primary and Secondary Productivity of the Savannas in the Middle Belt of Nigeria. 1984.
Precaución: Estas citas no son 100% exactas.