Gaya APA
Bull, George. (1977).
The Director's Handbook (2nd).
London:
Mc Graw-Hill Book Company.
Gaya Chicago
Bull, George.
The Director's Handbook.
2nd
London:
Mc Graw-Hill Book Company,
1977.
Teks.
Gaya MLA
Bull, George.
The Director's Handbook.
2nd
London:
Mc Graw-Hill Book Company,
1977.
Teks.
Gaya Turabian
Bull, George.
The Director's Handbook.
2nd
London:
Mc Graw-Hill Book Company,
1977.
Teks.