Citace podle APA (7th ed.)

Não informado. (2004). Steam and Heating Engineer. Troup Publications.

Citace podle Chicago (17th ed.)

Não informado. Steam and Heating Engineer. London: Troup Publications, 2004.

Citace podle MLA (8th ed.)

Não informado. Steam and Heating Engineer. Troup Publications, 2004.

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