Παραπομπή APA

Allred, V. D. (1982). Oil shale processing technology. New Jersey: Center for Professional Advancement.

Παραπομπή Chicago Style

Allred, V. Dean. Oil Shale Processing Technology. New Jersey: Center for Professional Advancement, 1982.

Παραπομπή MLA

Allred, V. Dean. Oil Shale Processing Technology. New Jersey: Center for Professional Advancement, 1982.

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