Irons, W. H. (1942). Commercial credit and collection practice. Ronald Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIrons, Watrous Henry. Commercial Credit and Collection Practice. New York: Ronald Press, 1942.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIrons, Watrous Henry. Commercial Credit and Collection Practice. Ronald Press, 1942.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.