APA (7e ed.) Bronvermelding

Não informado. (1941). Agricultura experimental. University of Puerto Rico, Agricultural Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Agricultura Experimental. Rio Piedras, Porto Rico: University of Puerto Rico, Agricultural Experiment Station, 1941.

MLA (8e ed.) Bronvermelding

Não informado. Agricultura Experimental. University of Puerto Rico, Agricultural Experiment Station, 1941.

Let op: Deze citaties zijn niet altijd 100% accuraat.