Gaya APA
CASSEL, Don. (1972).
PL 1: a Structured Approach, 2nd edition (2nd Ed).
Virginia:
Prentice-Hall.
Gaya Chicago
CASSEL, Don.
PL 1: a Structured Approach, 2nd edition.
2nd Ed
Virginia:
Prentice-Hall,
1972.
Monograf.
Gaya MLA
CASSEL, Don.
PL 1: a Structured Approach, 2nd edition.
2nd Ed
Virginia:
Prentice-Hall,
1972.
Monograf.
Gaya Turabian
CASSEL, Don.
PL 1: a Structured Approach, 2nd edition.
2nd Ed
Virginia:
Prentice-Hall,
1972.
Monograf.