Gaya APA
Maxwell, J, C., Dornan, J. (2014).
How to influence people .
Surabaya:
Surabaya : Menuju Insan Cemerlang, 2014.
Gaya MLA
Maxwell, John, C., Dornan, Jim.
"How to influence people".
Surabaya:
Surabaya : Menuju Insan Cemerlang, 2014,
2014.
Text.