Barden, R. P. (1972). Chest Disease Syllabus (Pecho Syllabus Enfermedades).
Chicago Style (17th ed.) CitationBarden, Robert P. Chest Disease Syllabus (Pecho Syllabus Enfermedades). 1972.
MLA (9th ed.) CitationBarden, Robert P. Chest Disease Syllabus (Pecho Syllabus Enfermedades). 1972.
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