एपीए उद्धरण

R.W, H. (1981). Mortgage Banking. Morgage bankers Association.

शिकागो स्टाइल उद्धरण

R.W, Helgerson. Mortgage Banking. America: Morgage bankers Association, 1981.

एमएलए उद्धरण

R.W, Helgerson. Mortgage Banking. Morgage bankers Association, 1981.