(1990). CD trainors manual. Department of Community Development, CSWCD, UP Diliman.
Chicago Style aipamenaCD Trainors Manual. Quezon City: Department of Community Development, CSWCD, UP Diliman, 1990.
MLA aipamenaCD Trainors Manual. Department of Community Development, CSWCD, UP Diliman, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.