M., M., J., B., R.(1997).Prinsip-prinsip pokok leadership (kepemimpinan) / Raymond J. Burby; penerjemah, M. Manullang (Cet.2).:Liberty.
Gaya MLA
Manullang, M.., Burby, Raymond, J.."Prinsip-prinsip pokok leadership (kepemimpinan) / Raymond J. Burby; penerjemah, M. Manullang".Cet.2:Liberty,1997.Textbook.