Gaya APA
Hearn, I, M, M, D, M, B. (2013).
Oxford International English Student Book 5 .
New York:
Oxford University Press.
Gaya MLA
Hearn, Izabella,, Myra, Murby,, Dan, Moira, Brown.
"Oxford International English Student Book 5".
New York:
Oxford University Press,
2013.
Text.