APA (7e ed.) Bronvermelding

Yap, J. P., Jr. (2015). School gradens: Beneficial to schoolchildren and the environment. Agriculture.

Chicago (17e ed.) Bronvermelding

Yap, Julio P., Jr. "School Gradens: Beneficial to Schoolchildren and the Environment." Agriculture 2015.

MLA (9e ed.) Bronvermelding

Yap, Julio P., Jr. "School Gradens: Beneficial to Schoolchildren and the Environment." Agriculture, 2015.

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