APA

Davies R., . (1999). Family Doctor Guide To Allergies And Hay Fever. London: Dorling Kindersley.

Chicago

Davies Robert, . 1999. Family Doctor Guide To Allergies And Hay Fever. London: Dorling Kindersley.

Harvard

Davies R., . (1999). Family Doctor Guide To Allergies And Hay Fever. London: Dorling Kindersley.

MLA

Davies Robert, . Family Doctor Guide To Allergies And Hay Fever. London: Dorling Kindersley. 1999.