APA引文

Doyle, K. M. (1988). Plumbing and gasfitting: Volume one - Trade practice and skills. G.P. Books.

Chicago Style (17th ed.) Citation

Doyle, Kenneth M. Plumbing and Gasfitting: Volume One - Trade Practice and Skills. [s.l.]: G.P. Books, 1988.

MLA引文

Doyle, Kenneth M. Plumbing and Gasfitting: Volume One - Trade Practice and Skills. G.P. Books, 1988.