Lua APA (7ú heag.)

Kersten, R. D. (1969). Engineering differential systems. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Kersten, Robert D. Engineering Differential Systems. New York: McGraw-Hill, 1969.

Lua MLA (9ú heag.)

Kersten, Robert D. Engineering Differential Systems. McGraw-Hill, 1969.

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