Gaya APA
Ward, Alan. (1992).
Science Discovery: Sky and Weather (Cet. 10.--).
London:
Franklin Watts.
Gaya Chicago
Ward, Alan.
Science Discovery: Sky and Weather.
Cet. 10.--
London:
Franklin Watts,
1992.
Text.
Gaya MLA
Ward, Alan.
Science Discovery: Sky and Weather.
Cet. 10.--
London:
Franklin Watts,
1992.
Text.
Gaya Turabian
Ward, Alan.
Science Discovery: Sky and Weather.
Cet. 10.--
London:
Franklin Watts,
1992.
Print.