Dicsen, J. V. (1965). A course of study and resource guide in elementary science, grades III-IV. Saint Louis University.
Chicago-viite (17. p.)Dicsen, Josephine V. A Course of Study and Resource Guide in Elementary Science, Grades III-IV. Baguio City: Saint Louis University, 1965.
MLA-viite (9. p.)Dicsen, Josephine V. A Course of Study and Resource Guide in Elementary Science, Grades III-IV. Saint Louis University, 1965.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.