Gaya APA
CHUNG, K, F, (., WIDDICOMBE, J, G, (.
(2003).
COUGH:
.
West Sussex:
Wiley Blackwell.
Gaya MLA
CHUNG, Kian, Fan, (ed)., WIDDICOMBE, Jphn, G, (ed).
"COUGH:".
West Sussex:
Wiley Blackwell,
2003.
Buku.