Hradecký, P., & Rapprich, V. (2007). Historical Tephra-stratigraphy of the Cosigüina Volcano (Western Nicaragua).
Chicago Stili AlıntıHradecký, Petr, ve Vladislav Rapprich. Historical Tephra-stratigraphy of the Cosigüina Volcano (Western Nicaragua). 2007.
MLA AlıntıHradecký, Petr, ve Vladislav Rapprich. Historical Tephra-stratigraphy of the Cosigüina Volcano (Western Nicaragua). 2007.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..