Gaya APA
Pakin, Sandra. (1975).
APL .
New Jersey:
PRENTICE-HALL.
Gaya Chicago
Pakin, Sandra.
APL.
New Jersey:
PRENTICE-HALL,
1975.
.
Gaya MLA
Pakin, Sandra.
APL.
New Jersey:
PRENTICE-HALL,
1975.
.
Gaya Turabian
Pakin, Sandra.
APL.
New Jersey:
PRENTICE-HALL,
1975.
.