Nelson, W. (1949). Petroleum Refinery Engineering (4th ed.). McGraw-Hill.
Čikaški stil citiranjaNelson, W.L. Petroleum Refinery Engineering. 4th ed. Tokyo: McGraw-Hill, 1949.
MLA način citiranjaNelson, W.L. Petroleum Refinery Engineering. 4th ed. McGraw-Hill, 1949.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.