APA aipamena

Gehrke V, M. R. (1962). Distribution of absorbing roots of coffee (Coffea arabica L.) and rubber (Hevea brasilensis Muell. Arg.) in mixed plantings in two ecological zones of Costa Rica.

Chicago Style aipamena

Gehrke V, M. R. Distribution of Absorbing Roots of Coffee (Coffea Arabica L.) and Rubber (Hevea Brasilensis Muell. Arg.) in Mixed Plantings in Two Ecological Zones of Costa Rica. 1962.

MLA aipamena

Gehrke V, M. R. Distribution of Absorbing Roots of Coffee (Coffea Arabica L.) and Rubber (Hevea Brasilensis Muell. Arg.) in Mixed Plantings in Two Ecological Zones of Costa Rica. 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.