एपीए उद्धरण

Pearson, R. G. (1973). Hard and soft acids and bases. Dowden, Hutchinson & Ross.

शिकागो स्टाइल उद्धरण

Pearson, Ralph G. Hard and Soft Acids and Bases. Stroudsburg, Pa.: Dowden, Hutchinson & Ross, 1973.

एमएलए उद्धरण

Pearson, Ralph G. Hard and Soft Acids and Bases. Dowden, Hutchinson & Ross, 1973.