APA Style

Armstrong, D, G., Hunkins, F, P. (1989). World Geography : People and places / David G. Armstrong and Francis P. Hunkins (1). Columbus, OH.: Merrill Pub..

MLA Style

Armstrong, David, G.., Hunkins, Francis, P.. "World Geography : People and places / David G. Armstrong and Francis P. Hunkins". 1 Columbus, OH.: Merrill Pub., 1989. Textbook ห้องสมุดทั่วไป.