APA

Abramova R. N., Rozhkova O. V. & Falk A. Y.Essential geology - a new course design. : .

Chicago

Abramova R N, Rozhkova O V and Falk A Yu.Essential geology - a new course design. : .

Harvard

Abramova R. N., Rozhkova O. V. and Falk A. Y.Essential geology - a new course design. : .

MLA

Abramova R N, Rozhkova O V and Falk A Yu.: . .