APA Style

Zemach, D, E. et al (2011). Writing Research Papers: From Essay to research Paper (cet. 1). United Kingdom: Palgrave Macmillan.

MLA Style

Zemach, Dorothy, E. et al. "Writing Research Papers: From Essay to research Paper". cet. 1 United Kingdom: Palgrave Macmillan, 2011. Buku SMA Athalia.