एपीए उद्धरण

McDonough,Thomas.R. Space: The next twenty five years. John Wiley& Sons.

शिकागो स्टाइल उद्धरण

McDonough,Thomas.R. Space: The Next Twenty Five Years. New York: John Wiley& Sons.

एमएलए उद्धरण

McDonough,Thomas.R. Space: The Next Twenty Five Years. John Wiley& Sons.