Παραπομπή APA

Turnbull, A. H. (1962). An introduction to vacuum technique. George Newnes.

Παραπομπή Chicago Style

Turnbull, Albert Hickford. An Introduction to Vacuum Technique. New York: George Newnes, 1962.

Παραπομπή MLA

Turnbull, Albert Hickford. An Introduction to Vacuum Technique. George Newnes, 1962.