Robertson, N. (1958). Air structures for school sports: A report from educational facilities laboratories. EFL Publications.
Chicago-referens (17:e uppl.)Robertson, Nan. Air Structures for School Sports: A Report from Educational Facilities Laboratories. New York: EFL Publications, 1958.
MLA-referens (9:e uppl.)Robertson, Nan. Air Structures for School Sports: A Report from Educational Facilities Laboratories. EFL Publications, 1958.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.