Cita APA (7th ed.)
ebrary, Inc, & Butler, R. (2006). Applications and modifications. Channel View Publications.
Cita Chicago (17th ed.)
ebrary, Inc, i Richard Butler. Applications and Modifications. Clevedon ; Buffalo: Channel View Publications, 2006.
Cita MLA (9th ed.)
ebrary, Inc, i Richard Butler. Applications and Modifications. Channel View Publications, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.