Alvarado, G. E., Brenes, J., & Brenes, J. (2011). The ocurrence of amber and sub-amber (copal) in Costa Rica: The case of San Cristóbal de Savegre.
シカゴスタイル引用形Alvarado, Guillermo E., Jorge Brenes, , José Brenes. The Ocurrence of Amber and Sub-amber (copal) in Costa Rica: The Case of San Cristóbal De Savegre. 2011.
MLA引用形式Alvarado, Guillermo E., Jorge Brenes, , José Brenes. The Ocurrence of Amber and Sub-amber (copal) in Costa Rica: The Case of San Cristóbal De Savegre. 2011.
警告: この引用は必ずしも正確ではありません.