Penggayaan APA
SERVICES for students. (1973).
London:
JOssey-boss inc.
Chicago Style
SERVICES for students.
.
London:
JOssey-boss inc,
1973.
Buku.
MLA Style
SERVICES for students.
.
London:
JOssey-boss inc,
1973.
Buku.
Turabian Style
SERVICES for students.
London:
JOssey-boss inc,
1973.
Buku.