Lua APA (7ú heag.)

SPILSBURY RICHARD. (2019). AIR AND WATER PRESSURE (2006 Ed.). HEINEMANN LIBRARY.

Lua i Stíl Chicago (17ú heag.)

SPILSBURY RICHARD. AIR AND WATER PRESSURE. 2006 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

Lua MLA (9ú heag.)

SPILSBURY RICHARD. AIR AND WATER PRESSURE. 2006 Ed. HEINEMANN LIBRARY, 2019.

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