APA

Graaf N. R. d., . (1986). A silvicultural system for natural regeneration of tropical rain forest in Suriname. Wageningen: Agricultural University.

Chicago

Graaf N R de, . 1986. A silvicultural system for natural regeneration of tropical rain forest in Suriname. Wageningen: Agricultural University.

Harvard

Graaf N. R. d., . (1986). A silvicultural system for natural regeneration of tropical rain forest in Suriname. Wageningen: Agricultural University.

MLA

Graaf N R de, . A silvicultural system for natural regeneration of tropical rain forest in Suriname. Wageningen: Agricultural University. 1986.