(2002). Public schools, bibigyan ng libreng email connectivity. Kabayan.
Chicago Style aipamena"Public Schools, Bibigyan Ng Libreng Email Connectivity." Kabayan 2002.
MLA aipamena"Public Schools, Bibigyan Ng Libreng Email Connectivity." Kabayan, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.