एपीए उद्धरण

Crespi, R. A. (2011). Geology and development of Aguacate mines, Costa Rica.

शिकागो स्टाइल उद्धरण

Crespi, R. A. Geology and Development of Aguacate Mines, Costa Rica. 2011.

एमएलए उद्धरण

Crespi, R. A. Geology and Development of Aguacate Mines, Costa Rica. 2011.