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.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.