APA-ийн эшлэл(7 дахь хэвлэлт)

Estes, S. (1986). Called to die: The story of American linguist chet bitterman, slain by terrorists. Grand Rapids.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Estes, Steve. Called to Die: The Story of American Linguist Chet Bitterman, Slain by Terrorists. Michigan: Grand Rapids, 1986.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Estes, Steve. Called to Die: The Story of American Linguist Chet Bitterman, Slain by Terrorists. Grand Rapids, 1986.