Gaya APA
Clayden, T, L, &, G.
(2012).
Illustrated Textbook of Paediatrics Fourth Edition
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China:
Elsevier.
Gaya MLA
Clayden, Tom, Lissauer, &, Graham.
"Illustrated Textbook of Paediatrics Fourth Edition".
China:
Elsevier,
2012.
Ebook.