Gaya APA

Newstrom, J, W., Pierce, J, L. (2006). Leaders & The Leadership Process; Readings, Self-Assessments & Applications . Singapore: McGraw-Hill.

Gaya MLA

Newstrom, John, W.., Pierce, Jon, L.. "Leaders & The Leadership Process; Readings, Self-Assessments & Applications". Singapore: McGraw-Hill, 2006. Text.