APA (7th ed.) Zitazioa

Foundation Review. Grand Valley State University on Behalf of the Dorothy A. Johnson Center for Philanthropy.

Chicago Style (17th ed.) Zitazioa

Foundation Review. Grand Valley State University on Behalf of the Dorothy A. Johnson Center for Philanthropy.

MLA (9th ed.) Zitazioa

Foundation Review. Grand Valley State University on Behalf of the Dorothy A. Johnson Center for Philanthropy.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.