एपीए उद्धरण

Schwartz, J. (2007). Secondary Sulfate Effects: Schwartz Responds. National Institute of Environmental Health Sciences.

शिकागो स्टाइल उद्धरण

Schwartz, Joel. Secondary Sulfate Effects: Schwartz Responds. National Institute of Environmental Health Sciences, 2007.

एमएलए उद्धरण

Schwartz, Joel. Secondary Sulfate Effects: Schwartz Responds. National Institute of Environmental Health Sciences, 2007.