APA Style
BOYD, JOHN R, BOYD, MARY ANN. (2004).
Grammar Clear and Simple 2 (1).
New York:
McGraw-Hill.
Chicago Style
BOYD, JOHN R, BOYD, MARY ANN.
Grammar Clear and Simple 2.
1
New York:
McGraw-Hill,
2004.
TXB.
MLA Style
BOYD, JOHN R, BOYD, MARY ANN.
Grammar Clear and Simple 2.
1
New York:
McGraw-Hill,
2004.
TXB.
Turabian Style
BOYD, JOHN R, BOYD, MARY ANN.
Grammar Clear and Simple 2.
1
New York:
McGraw-Hill,
2004.
TXB.