Gaya APA

Cigan, J, M. (1979). Lead - Zinc - TIN '80; Proceedings of a World Symposium.... February 24-28, 1980, in Las Vegas, Nevada . New York: The Metallurgycal Society of Aime..

Gaya MLA

Cigan, John, M.. "Lead - Zinc - TIN '80; Proceedings of a World Symposium.... February 24-28, 1980, in Las Vegas, Nevada". New York: The Metallurgycal Society of Aime., 1979. Text.