Lua APA (7ú heag.)

Kharbanda, O. P. (1958). Nomograms for chemical engineers. Heywood.

Lua i Stíl Chicago (17ú heag.)

Kharbanda, Om P. Nomograms for Chemical Engineers. Lond.: Heywood, 1958.

Lua MLA (8ú heag.)

Kharbanda, Om P. Nomograms for Chemical Engineers. Heywood, 1958.

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