Gaya APA

Sexton, D, L. (1981). Chronic Obstructive Pulmonary Disease: Care of the child and adult (-). The. V. Mosby Company: St.Louis.

Gaya MLA

Sexton, Dorothy, L. "Chronic Obstructive Pulmonary Disease: Care of the child and adult". - The. V. Mosby Company: St.Louis, 1981. Text.