एपीए उद्धरण

Modley, R., & Lowenstein, D. (1952). Pictographs and graphs: How to make and use them.

शिकागो स्टाइल उद्धरण

Modley, Rudolf, और Dyno Lowenstein. Pictographs and Graphs: How to Make and Use Them. 1952.

एमएलए उद्धरण

Modley, Rudolf, और Dyno Lowenstein. Pictographs and Graphs: How to Make and Use Them. 1952.