Παραπομπή APA

Potter, J., Stasiuk, L. D., & Cameron, A. R. A petrographic atlas of canadian coal macerals and dispersed organic matter. Galgary: Geological Survey of Canada Bookstore.

Παραπομπή Chicago Style

Potter, Judith, Lavern D. Stasiuk, and Alexander R. Cameron. A Petrographic Atlas of Canadian Coal Macerals and Dispersed Organic Matter. Galgary: Geological Survey of Canada Bookstore.

Παραπομπή MLA

Potter, Judith, Lavern D. Stasiuk, and Alexander R. Cameron. A Petrographic Atlas of Canadian Coal Macerals and Dispersed Organic Matter. Galgary: Geological Survey of Canada Bookstore.

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