Gaya APA
Johnston, R. (1992).
Developing Student Leaders : How to Motivate, Select, Train, Empower your kids to make a difference. .
Michigan, USA:
Zondervan Publishing House.
Gaya MLA
Johnston, Ray.
"Developing Student Leaders : How to Motivate, Select, Train, Empower your kids to make a difference.".
Michigan, USA:
Zondervan Publishing House,
1992.
Commentary.