Gaya APA
Bohn, G, H, S, -, R, C. (1976).
Planning And Organizing Instruction (Cet.2).
Illinois:
McKnight Publishing Company.
Gaya MLA
Bohn, G., Harold, Silvius, -, Ralph, C..
"Planning And Organizing Instruction".
Cet.2
Illinois:
McKnight Publishing Company,
1976.
Text.