Cita APA (7th ed.)

Osbourn, D. (1997). Introduction to building (2nd ed.). Longman.

Cita Chicago (17th ed.)

Osbourn, Derek. Introduction to Building. 2nd ed. Harlow, Essex: Longman, 1997.

Cita MLA (9th ed.)

Osbourn, Derek. Introduction to Building. 2nd ed. Longman, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.