APA Style
GOWER, Roger.. (1987).
Speaking: Upper-intermediate .
New York:
Oxfor University Press.
Chicago Style
GOWER, Roger..
Speaking: Upper-intermediate.
New York:
Oxfor University Press,
1987.
Text.
MLA Style
GOWER, Roger..
Speaking: Upper-intermediate.
New York:
Oxfor University Press,
1987.
Text.
Turabian Style
GOWER, Roger..
Speaking: Upper-intermediate.
New York:
Oxfor University Press,
1987.
Print.