APA

wingard l. b., . (1991). human pharmacology. london: wolfe publishing limited.

Chicago

wingard lemuel b, . 1991. human pharmacology. london: wolfe publishing limited.

Harvard

wingard l. b., . (1991). human pharmacology. london: wolfe publishing limited.

MLA

wingard lemuel b, . human pharmacology. london: wolfe publishing limited. 1991.