Gaya APA

Philpot, S. et al (2011). Headway Academic Skills: Reading, Writing, And Study Skills Level 2 Student's Book (cet. 1). London: Oxford University Press.

Gaya MLA

Philpot, Sarah. et al. "Headway Academic Skills: Reading, Writing, And Study Skills Level 2 Student's Book". cet. 1 London: Oxford University Press, 2011. Text.