APA-ийн эшлэл(7 дахь хэвлэлт)

Ehninger, D. (1978). Principles and types of speech communication (8th ed.). Schott foresman.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ehninger, Douglas. Principles and Types of Speech Communication. 8th ed. London: Schott foresman, 1978.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ehninger, Douglas. Principles and Types of Speech Communication. 8th ed. Schott foresman, 1978.