एपीए उद्धरण

Spencer, S., & Jones, P. (2003). Time course of recovery of health status following an infective exacerbation of chronic bronchitis. BMJ Group.

शिकागो स्टाइल उद्धरण

Spencer, S., और P. Jones. Time Course of Recovery of Health Status Following an Infective Exacerbation of Chronic Bronchitis. BMJ Group, 2003.

एमएलए उद्धरण

Spencer, S., और P. Jones. Time Course of Recovery of Health Status Following an Infective Exacerbation of Chronic Bronchitis. BMJ Group, 2003.