Gaya APA

W., D., A. et al. (1990). The Design, Contruction and Use of Removable Orthodontic Appliances . Oxpord London: Butterwort-Heinemann.

Gaya MLA

W., D., A. et al.. The Design, Contruction and Use of Removable Orthodontic Appliances. Oxpord London: Butterwort-Heinemann, 1990. Text.