Gaya APA
Summerfield, Geoffrey, Summerfield, Judith. (1989).
Readings .
New York:
Random House.
Gaya Chicago
Summerfield, Geoffrey, Summerfield, Judith.
Readings.
New York:
Random House,
1989.
.
Gaya MLA
Summerfield, Geoffrey, Summerfield, Judith.
Readings.
New York:
Random House,
1989.
.
Gaya Turabian
Summerfield, Geoffrey, Summerfield, Judith.
Readings.
New York:
Random House,
1989.
.