(1951). Graduate study in education.
Tohutoru Kātū Chicago (17th ed.)Graduate Study in Education. 1951.
Tohutoro MLA (9th ed.)Graduate Study in Education. 1951.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)