Gaya APA

Steinbach, R., Suryo, K, I. (2002). Successful lifelong learning/ Robert Steinbach (Cet.1). Jakarta: Ppm.

Gaya MLA

Steinbach, Robert., Suryo, Kumala, Insiwi. "Successful lifelong learning/ Robert Steinbach". Cet.1 Jakarta: Ppm, 2002. Text.