एपीए उद्धरण

Watson-Williams, P. (1914). Demonstration of the Exhibitor's Intranasal Frontal Sinus Instruments and Skiagrams showing Results.

शिकागो स्टाइल उद्धरण

Watson-Williams, P. Demonstration of the Exhibitor's Intranasal Frontal Sinus Instruments and Skiagrams Showing Results. 1914.

एमएलए उद्धरण

Watson-Williams, P. Demonstration of the Exhibitor's Intranasal Frontal Sinus Instruments and Skiagrams Showing Results. 1914.