Gaya APA

Winarman, A., Nurkaib, . (2008). Qalbu leverage system : 7 steps to the holistic wealth (Cet. 1). Jakarta: Cicero Publishing.

Gaya MLA

Winarman, Ari., Nurkaib, . "Qalbu leverage system : 7 steps to the holistic wealth". Cet. 1 Jakarta: Cicero Publishing, 2008. Text.