Gaya APA

Lewis-Jones, H, P, G, G, P. (2013). Super Minds American English Level 6 Student's Book with DVD-ROM . : Cambridge University Press.

Gaya MLA

Lewis-Jones, Herbert, Puchta;, Günter, Gerngross;, Peter. "Super Minds American English Level 6 Student's Book with DVD-ROM". : Cambridge University Press, 2013. Text.