Gaya APA

Maulana, A, E., Purba, A, F, D, P. (2009). Consumer Insights Via Ethnography . Jakarta: Esensi.

Gaya MLA

Maulana, Amalia, E.., Purba, Audinia, Furinirukti,, Daniel, P.. "Consumer Insights Via Ethnography". Jakarta: Esensi, 2009. Book.