Gaya APA
Bartlett, J, G. (2001).
Management of Respiratory Tract Infections (3rd ed).
Philadelphia:
Lippincott Williams & Wilkins.
Gaya MLA
Bartlett, John, G..
"Management of Respiratory Tract Infections".
3rd ed
Philadelphia:
Lippincott Williams & Wilkins,
2001.
Text.