Gaya APA
Angel, Heather, Wolseley, Pat. (1982).
Thw Water naturalist .
Amerika Serikat:
Fact On File Publications.
Gaya Chicago
Angel, Heather, Wolseley, Pat.
Thw Water naturalist.
Amerika Serikat:
Fact On File Publications,
1982.
Text.
Gaya MLA
Angel, Heather, Wolseley, Pat.
Thw Water naturalist.
Amerika Serikat:
Fact On File Publications,
1982.
Text.
Gaya Turabian
Angel, Heather, Wolseley, Pat.
Thw Water naturalist.
Amerika Serikat:
Fact On File Publications,
1982.
Print.