Gaya APA
The world book encyclopedia Vol.IV. (1966).
London:
Field Enterprises Educational Corp..
Gaya Chicago
The world book encyclopedia Vol.IV.
.
London:
Field Enterprises Educational Corp.,
1966.
Reference.
Gaya MLA
The world book encyclopedia Vol.IV.
.
London:
Field Enterprises Educational Corp.,
1966.
Reference.
Gaya Turabian
The world book encyclopedia Vol.IV.
London:
Field Enterprises Educational Corp.,
1966.
Reference.