Gaya APA

Alier, P, S., Snow, J, E. (2013). Science 6: Teacher's Edition with CD-ROM, Fourth Edition (Fourth Edition). South Carolina: BJU Press.

Gaya MLA

Alier, Peggy, S.., Snow, Janet, E.. "Science 6: Teacher's Edition with CD-ROM, Fourth Edition". Fourth Edition South Carolina: BJU Press, 2013. Text.