Gaya APA

Hiraki, M. et al (2002). Gogo Loves English 6, Teacher's Book (Vol. 6.--). Hongkong: Longman Asia ELT.

Gaya MLA

Hiraki, Masako. et al. "Gogo Loves English 6, Teacher's Book". Vol. 6.-- Hongkong: Longman Asia ELT, 2002. Text / Book.