Gaya APA
Philpot, S., Lesley, C. (2013).
Headway Academic Skills Introductory Level – Student’s Book (Listen, Speaking And Study Skills) .
New York:
Oxford University Press.
Gaya MLA
Philpot, Sarah., Lesley, Curnick..
"Headway Academic Skills Introductory Level – Student’s Book (Listen, Speaking And Study Skills)".
New York:
Oxford University Press,
2013.
Text.