APA-ийн эшлэл(7 дахь хэвлэлт)

DUFF, J. M. (1983). Problems in industrial technical illustration. Brooks/ Cole engineering division.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

DUFF, John M. Problems in Industrial Technical Illustration. California: Brooks/ Cole engineering division, 1983.

MLA -ийн эшлэл (9 дэх хэвлэлт)

DUFF, John M. Problems in Industrial Technical Illustration. Brooks/ Cole engineering division, 1983.