APA-referens (7:e uppl.)

Tyler, C., & Winter, C. H. (1959). Chemical engineering economics (4th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Tyler, Chaplin, och Charles Henry Winter. Chemical Engineering Economics. 4th ed. New York: McGraw-Hill, 1959.

MLA-referens (9:e uppl.)

Tyler, Chaplin, och Charles Henry Winter. Chemical Engineering Economics. 4th ed. McGraw-Hill, 1959.