Gaya APA

Levine, D, R. et al (1987). The culture puzzle : cross-cultural communication for english as a second language/ Deena R. Levine, Jim Baxter, Piper McNulty . New Jersey: Prentice Hall.

Gaya MLA

Levine, Deena, R.. et al. "The culture puzzle : cross-cultural communication for english as a second language/ Deena R. Levine, Jim Baxter, Piper McNulty". New Jersey: Prentice Hall, 1987. Text.