Παραπομπή APA

Dehnel, P. D. (1959). Fundamentals of boiler house technique. Hutchinson Educational.

Παραπομπή Chicago Style

Dehnel, P D. Fundamentals of Boiler House Technique. London: Hutchinson Educational, 1959.

Παραπομπή MLA

Dehnel, P D. Fundamentals of Boiler House Technique. Hutchinson Educational, 1959.