APA
Parker S., . (2008). 100 FActs on Whales & Dolphins. Essex: Miles Kelly Publishing Ltd.
Chicago
Parker Steve, . 2008. 100 FActs on Whales & Dolphins. Essex: Miles Kelly Publishing Ltd.
Harvard
Parker S., . (2008). 100 FActs on Whales & Dolphins. Essex: Miles Kelly Publishing Ltd.
MLA
Parker Steve, . 100 FActs on Whales & Dolphins. Essex: Miles Kelly Publishing Ltd. 2008.