Gaya APA
Hyde, G, E., Bee, J.
(2006).
Butterflies: Usborne Spotter's Guides
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London:
Usborne Publishing Ltd..
Gaya MLA
Hyde, George, E.., Bee, Joyce.
"Butterflies: Usborne Spotter's Guides".
London:
Usborne Publishing Ltd.,
2006.
Text.