APA aipamena

(1978). Coal: The other energy [kasetvideo]. Washington, D C : National Audio Visual Center.

Chicago Style aipamena

Coal: The Other Energy [kasetvideo]. Washington, D C : National Audio Visual Center, 1978.

MLA aipamena

Coal: The Other Energy [kasetvideo]. Washington, D C : National Audio Visual Center, 1978.

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