Gaya APA

Robinson, J, A, P, -, R. (1994). formulation, implementation, and control of competitive strategy (5). USA: Richard D. Irwin, Inc.

Gaya MLA

Robinson, John, A., Pearce, -, R.B.. "formulation, implementation, and control of competitive strategy". 5 USA: Richard D. Irwin, Inc, 1994. Kesehatan Masyarakat.