APA

Woo P., White P. H. & Ansell B. M. (1990). Paediatric rheumatology update. : Oxford University Press.

Chicago

Woo Patricia, White Patience H and Ansell Barbara M. 1990. Paediatric rheumatology update. : Oxford University Press.

Harvard

Woo P., White P. H. and Ansell B. M. (1990). Paediatric rheumatology update. : Oxford University Press.

MLA

Woo Patricia, White Patience H and Ansell Barbara M. Paediatric rheumatology update. : Oxford University Press. 1990.