Manahan, G. V. (1988). Guidebook on technology manual preparation. UNIDO.
Cita Chicago (17th ed.)Manahan, Geronimo V. Guidebook on Technology Manual Preparation. [S.l]: UNIDO, 1988.
Cita MLA (9th ed.)Manahan, Geronimo V. Guidebook on Technology Manual Preparation. UNIDO, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.