APA aipamena

Encylopedia... (1992). Encyclopedia of science and technology: Pac-plan. Volume XIII. Mc Graw Hill.

Chicago Style aipamena

Encylopedia... Encyclopedia of Science and Technology: Pac-plan. Volume XIII. Mc Graw Hill, 1992.

MLA aipamena

Encylopedia... Encyclopedia of Science and Technology: Pac-plan. Volume XIII. Mc Graw Hill, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.