Cita APA (7a ed.)
by Tuju, R. It's not easy. Ace Communications.
Cita Chicago Style (17a ed.)
by Tuju, Raphael. It's Not Easy. Nairobi, kenya: Ace Communications.
Cita MLA (9a ed.)
by Tuju, Raphael. It's Not Easy. Ace Communications.
Precaución: Estas citas no son 100% exactas.