एपीए उद्धरण

Dam, R. (1987). A detailed soil survey of the rio Jimenez area in the Atlantic Zone of Costa Rica.

शिकागो स्टाइल उद्धरण

Dam, R. A Detailed Soil Survey of the Rio Jimenez Area in the Atlantic Zone of Costa Rica. 1987.

एमएलए उद्धरण

Dam, R. A Detailed Soil Survey of the Rio Jimenez Area in the Atlantic Zone of Costa Rica. 1987.