Lua APA (7ú heag.)
Schoderbek, P. P., Schoderbek, C. G., & Kefalas, A. G. (1985). Management systems: Conceptual considerations (3rd ed.). Business Publications.
Lua i Stíl Chicago (17ú heag.)
Schoderbek, Peter P., Charles G. Schoderbek, agus Asterios G. Kefalas. Management Systems: Conceptual Considerations. 3rd ed. Plano, Tex.: Business Publications, 1985.
Lua MLA (9ú heag.)
Schoderbek, Peter P., et al. Management Systems: Conceptual Considerations. 3rd ed. Business Publications, 1985.
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