Gaya APA

, D., M., D., M., R. (2014). PEOPLE-CENTRIC SKILLS . New Jersy: John Wiley & Sons Inc.

Gaya MLA

, DANNY, M.GOLDBERG, DAN, MANNY, ROSENFELD. "PEOPLE-CENTRIC SKILLS". New Jersy: John Wiley & Sons Inc, 2014. Buku Inti.