APA

Valman, Smith, . (1997). Childrens Symptoms : The British Medical Association. London: Dorling Kindersley.

Chicago

Valman, Smith, . 1997. Childrens Symptoms : The British Medical Association. London: Dorling Kindersley.

Harvard

Valman, Smith, . (1997). Childrens Symptoms : The British Medical Association. London: Dorling Kindersley.

MLA

Valman, Smith, . Childrens Symptoms : The British Medical Association. London: Dorling Kindersley. 1997.