Watson-Williams, P. (1933). Diagnostic Exploral Suction of Nasal Sinuses.
Čikaški stil citiranjaWatson-Williams, Patrick. Diagnostic Exploral Suction of Nasal Sinuses. 1933.
MLA način citiranjaWatson-Williams, Patrick. Diagnostic Exploral Suction of Nasal Sinuses. 1933.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.