एपीए उद्धरण

Perlman, R. Problems in Statistics for Economic and Business Students. Holt.

शिकागो स्टाइल उद्धरण

Perlman, Richard. Problems in Statistics for Economic and Business Students. New York: Holt.

एमएलए उद्धरण

Perlman, Richard. Problems in Statistics for Economic and Business Students. Holt.