Philippines. Department of Education and Culture. (1972). Report. [s.n.].
Chicago-viite (17. p.)Philippines. Department of Education and Culture. Report. Manila: [s.n.], 1972.
MLA-viite (9. p.)Philippines. Department of Education and Culture. Report. [s.n.], 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.