APA (7e ed.) Bronvermelding

Villablanca, R. E. (1976). Suggested test items for elementary school science IV developed by the University of the Philippines Science Education Center.

Chicago (17e ed.) Bronvermelding

Villablanca, Rolando Enerez. Suggested Test Items for Elementary School Science IV Developed by the University of the Philippines Science Education Center. 1976.

MLA (9e ed.) Bronvermelding

Villablanca, Rolando Enerez. Suggested Test Items for Elementary School Science IV Developed by the University of the Philippines Science Education Center. 1976.

Let op: Deze citaties zijn niet altijd 100% accuraat.