Gaya APA

, Y, A, R., RAMADHAN, , Y, A. (2013). I AM DOCTOR PRENEUR : I AM DOCTOR PRENEUR (1). SOLO :: PT. TIGA SERANGKAI,.

Gaya MLA

, YUSUF, ALAM, RAMADHAN., RAMADHAN, , YUSUF, ALAM. "I AM DOCTOR PRENEUR : I AM DOCTOR PRENEUR". 1 SOLO :: PT. TIGA SERANGKAI,, 2013. Monograf.