APA Style

Tkacz, A. (2016). Focus 4 Teacher's book plus Multirom + Word store (American English) (Cetakan 1). England: Pearson Education Limited.

MLA Style

Tkacz, Arek. "Focus 4 Teacher's book plus Multirom + Word store (American English)". Cetakan 1 England: Pearson Education Limited, 2016. Buku SMA Athalia.