APA

Chapel H., . (2006). Essentials of clinical immunology. Massachusetts: Blackwell publishing.

Chicago

Chapel Helen, . 2006. Essentials of clinical immunology. Massachusetts: Blackwell publishing.

Harvard

Chapel H., . (2006). Essentials of clinical immunology. Massachusetts: Blackwell publishing.

MLA

Chapel Helen, . Essentials of clinical immunology. Massachusetts: Blackwell publishing. 2006.