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