APA aipamena

SEELEY, I. H. (2012). Building Maintenance. Macmillan.

Chicago Style aipamena

SEELEY, Ivor H. Building Maintenance. Macmillan, 2012.

MLA aipamena

SEELEY, Ivor H. Building Maintenance. Macmillan, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.