Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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