Gaya APA
Doubleday & Company, Inc. (1976).
The New Book Of Knowledge 18 (Ed 1).
Canada:
Grolier Incorporated.
Gaya Chicago
Doubleday & Company, Inc.
The New Book Of Knowledge 18.
Ed 1
Canada:
Grolier Incorporated,
1976.
Text.
Gaya MLA
Doubleday & Company, Inc.
The New Book Of Knowledge 18.
Ed 1
Canada:
Grolier Incorporated,
1976.
Text.
Gaya Turabian
Doubleday & Company, Inc.
The New Book Of Knowledge 18.
Ed 1
Canada:
Grolier Incorporated,
1976.
Print.