Yap, J. P., Jr. (2015). School gradens: Beneficial to schoolchildren and the environment. Agriculture.
Chicago Style aipamenaYap, Julio P., Jr. "School Gradens: Beneficial to Schoolchildren and the Environment." Agriculture 2015.
MLA aipamenaYap, Julio P., Jr. "School Gradens: Beneficial to Schoolchildren and the Environment." Agriculture, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.