APA aipamena

Manahan, G. V. (1988). Guidebook on technology manual preparation. UNIDO.

Chicago Style aipamena

Manahan, Geronimo V. Guidebook on Technology Manual Preparation. [S.l]: UNIDO, 1988.

MLA aipamena

Manahan, Geronimo V. Guidebook on Technology Manual Preparation. UNIDO, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.