Krupa, G. H. (1982). Situational writing. Wadsworth.
Chicago Style (17th ed.) CitationKrupa, Gene H. Situational Writing. Belmont, Calif.: Wadsworth, 1982.
MLA (9th ed.) CitationKrupa, Gene H. Situational Writing. Wadsworth, 1982.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.