McElroy, C. K. (1923). Instructions for building triangulation towers. Department of the Interior, Canada.
Citace podle Chicago (17th ed.)McElroy, C. K. Instructions for Building Triangulation Towers. Ottawa: Department of the Interior, Canada, 1923.
Citace podle MLA (8th ed.)McElroy, C. K. Instructions for Building Triangulation Towers. Department of the Interior, Canada, 1923.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..