.Brown, S. L., & Errera, S. (1987). Trading energy futures: A manual for energy industry professionals. Quorum Books.
Chicago Style (17. basım) Atıf.Brown, Stewart L., ve Steven Errera. Trading Energy Futures: A Manual for Energy Industry Professionals. New York: Quorum Books, 1987.
MLA (9th ed.) Atıf.Brown, Stewart L., ve Steven Errera. Trading Energy Futures: A Manual for Energy Industry Professionals. Quorum Books, 1987.