Gaya APA
Cho, C, T., Dudding, B, A.
(1978).
Pediatric infectious diseases
(
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.
Singapore:
Toppan Company.
Gaya MLA
Cho, Cheng, T.., Dudding, Burton, A..
"Pediatric infectious diseases".
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Singapore:
Toppan Company,
1978.
Buku.