APA citiranje

Hughes, D. (1991). The Essentials of Respiratory Disease. J R Coll Physicians Lond.

Citação norma Chicago

Hughes, David. "The Essentials of Respiratory Disease." J R Coll Physicians Lond 1991.

MLA citiranje

Hughes, David. "The Essentials of Respiratory Disease." J R Coll Physicians Lond 1991.

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