APA aipamena

Bolt, S. (1997). Roofing the right way. McGraw-Hill.

Chicago Style aipamena

Bolt, Steven. Roofing the Right Way. McGraw-Hill, 1997.

MLA aipamena

Bolt, Steven. Roofing the Right Way. McGraw-Hill, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.