Gaya APA
Bohlander, G., Snell, S, A. (2013).
Principles of human resource management (16th ed.).
Singapore:
Cengage Learning.
Gaya MLA
Bohlander, George., Snell, Scott, A..
"Principles of human resource management".
16th ed.
Singapore:
Cengage Learning,
2013.
Buku/Printed Material.