Penggayaan APA
UR, Penny. (1999).
A course in language teaching: .
New York:
Cambridge University Press.
Chicago Style
UR, Penny.
A course in language teaching:.
New York:
Cambridge University Press,
1999.
Buku.
MLA Style
UR, Penny.
A course in language teaching:.
New York:
Cambridge University Press,
1999.
Buku.
Turabian Style
UR, Penny.
A course in language teaching:.
New York:
Cambridge University Press,
1999.
Buku.