Dyfyniad APA

G J Blower. (1995). Plumbing: Mechanical services (Book one). London: Longman.

Dyfyniad Arddull Chicago

G J Blower. Plumbing: Mechanical Services (Book One). London: Longman, 1995.

Dyfyniad MLA

G J Blower. Plumbing: Mechanical Services (Book One). London: Longman, 1995.

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