APA-ийн эшлэл(7 дахь хэвлэлт)

Gay, L. (1987). Educational research: Competencies for analysis and application (3rd.ed.). Merrill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gay, L.R. Educational Research: Competencies for Analysis and Application. 3rd.ed. Columbus: Merrill, 1987.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gay, L.R. Educational Research: Competencies for Analysis and Application. 3rd.ed. Merrill, 1987.