Cole, R., & Mackay, A. D. (1990). Essentials of respiratory disease (3rd ed.). Churchill Livingstone.
Chicago Style aipamenaCole, R.B, and A. David Mackay. Essentials of Respiratory Disease. 3rd ed. Edinburgh: Churchill Livingstone, 1990.
MLA aipamenaCole, R.B, and A. David Mackay. Essentials of Respiratory Disease. 3rd ed. Churchill Livingstone, 1990.
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