APA Style

Browne, C. et al (2014). In Focus: a Vocabulary, Reading and Critical Thinking skill course (Student's Book 2) . Singapore: Cambridge University Press.

MLA Style

Browne, Charles. et al. "In Focus: a Vocabulary, Reading and Critical Thinking skill course (Student's Book 2)". 0 Singapore: Cambridge University Press, 2014. Bahasa Inggris.