एपीए उद्धरण

Lopez, G. (1992). AIR polltion. Makato: Creative education.

शिकागो स्टाइल उद्धरण

Lopez, Gary. AIR Polltion. Makato: Creative education, 1992.

एमएलए उद्धरण

Lopez, Gary. AIR Polltion. Makato: Creative education, 1992.