APA-ийн эшлэл(7 дахь хэвлэлт)

Callahan, J. F., Clark, L. H., & Kellough, R. D. (2002). Teaching in the middle and secondary schools (7th ed.). Merrill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Callahan, Joseph F., Leonard H. Clark, ба Richard D. Kellough. Teaching in the Middle and Secondary Schools. 7th ed. Upper Saddle River, N.J.: Merrill, 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Callahan, Joseph F., et al. Teaching in the Middle and Secondary Schools. 7th ed. Merrill, 2002.