Dyfyniad APA

Kondratyev, K. Y., & Grigoryev, A. A. V. (2002). Environmental disasters: Anthropogenic and natural. Springer.

Dyfyniad Arddull Chicago

Kondratyev, Kirill Ya, and Alexei A. Varotsos Grigoryev. Environmental Disasters: Anthropogenic and Natural. Chichester: Springer, 2002.

Dyfyniad MLA

Kondratyev, Kirill Ya, and Alexei A. Varotsos Grigoryev. Environmental Disasters: Anthropogenic and Natural. Springer, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.