Gaya APA

Widjaja, A, P., Tamzil, S, I. (2009). Meta Leadership Marketing: The Secret of Applying NLP in Business Organization Study Case in Multi Level Marketing . Bandung: Maximalis.

Gaya MLA

Widjaja, Adi, Putera., Tamzil, Stefanus, Isaac. "Meta Leadership Marketing: The Secret of Applying NLP in Business Organization Study Case in Multi Level Marketing". Bandung: Maximalis, 2009. Text.