Gaya APA
JACOBSON,Wilard D.. (1970).
the New Elementary School Science .
New York:
Van Nostrand Reinhold Company.
Gaya Chicago
JACOBSON,Wilard D..
the New Elementary School Science.
New York:
Van Nostrand Reinhold Company,
1970.
Text.
Gaya MLA
JACOBSON,Wilard D..
the New Elementary School Science.
New York:
Van Nostrand Reinhold Company,
1970.
Text.
Gaya Turabian
JACOBSON,Wilard D..
the New Elementary School Science.
New York:
Van Nostrand Reinhold Company,
1970.
Print.