एपीए उद्धरण

Suuroja, K. (2008). Geology and lithology of the early palaeozoic marine impact structures Kärdla and Neugrund (Estonia). Dissertationes geologicae Universitatis Tartuensis 23.

शिकागो स्टाइल उद्धरण

Suuroja, KalleMart. "Geology and Lithology of the Early Palaeozoic Marine Impact Structures Kärdla and Neugrund (Estonia)." Dissertationes Geologicae Universitatis Tartuensis 23 2008.

एमएलए उद्धरण

Suuroja, KalleMart. "Geology and Lithology of the Early Palaeozoic Marine Impact Structures Kärdla and Neugrund (Estonia)." Dissertationes Geologicae Universitatis Tartuensis 23 2008.