Gaya APA
The World Book Encyclopedia (S-Sn Volume 17). (1972).
USA:
Field Enterprises Educational Corporation.
Gaya Chicago
The World Book Encyclopedia (S-Sn Volume 17).
S-Sn Volume 17, 1972.
USA:
Field Enterprises Educational Corporation,
1972.
Text.
Gaya MLA
The World Book Encyclopedia (S-Sn Volume 17).
S-Sn Volume 17, 1972.
USA:
Field Enterprises Educational Corporation,
1972.
Text.
Gaya Turabian
The World Book Encyclopedia (S-Sn Volume 17).
USA:
Field Enterprises Educational Corporation,
1972.
Print.