एपीए उद्धरण

Sparks, D. L. (2003). Environmental soil chemistry (2nd ed.). Academic Press.

शिकागो स्टाइल उद्धरण

Sparks, Donald L. Environmental Soil Chemistry. 2nd ed. Amsterdam: Academic Press, 2003.

एमएलए उद्धरण

Sparks, Donald L. Environmental Soil Chemistry. 2nd ed. Academic Press, 2003.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.