Gaya APA
Duea, Joan. (1980).
Elementary science 4 : review activities book .
USA:
GINN AND COMPANY.
Gaya Chicago
Duea, Joan.
Elementary science 4 : review activities book.
USA:
GINN AND COMPANY,
1980.
Text.
Gaya MLA
Duea, Joan.
Elementary science 4 : review activities book.
USA:
GINN AND COMPANY,
1980.
Text.
Gaya Turabian
Duea, Joan.
Elementary science 4 : review activities book.
USA:
GINN AND COMPANY,
1980.
Print.