Phumisuwan, W. (1976). University of the Philippines Elementary School grade six pupils: A descriptive profile [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-viite (17. p.)Phumisuwan, Wongjuntara. University of the Philippines Elementary School Grade Six Pupils: A Descriptive Profile [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA-viite (9. p.)Phumisuwan, Wongjuntara. University of the Philippines Elementary School Grade Six Pupils: A Descriptive Profile [microform]. Photoduplication Service. University of the Philippines Library, 1976.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.