Παραπομπή APA

Ryan, W. (1968). Non-ferrous extractive metallurgy in the United Kingdom / ; edited by W.Ryan. London: Institution of Mining and Metallurgy.

Παραπομπή Chicago Style

Ryan, W. Non-ferrous Extractive Metallurgy in the United Kingdom / ; Edited By W.Ryan. London: Institution of Mining and Metallurgy, 1968.

Παραπομπή MLA

Ryan, W. Non-ferrous Extractive Metallurgy in the United Kingdom / ; Edited By W.Ryan. London: Institution of Mining and Metallurgy, 1968.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.