Hollnagel, E. (1981). The metodology of man-machine systems: Problem of verification and validation. RISO National Laboratory.
Citace podle Chicago (17th ed.)Hollnagel, Erik. The Metodology of Man-machine Systems: Problem of Verification and Validation. Roskilde: RISO National Laboratory, 1981.
Citace podle MLA (9th ed.)Hollnagel, Erik. The Metodology of Man-machine Systems: Problem of Verification and Validation. RISO National Laboratory, 1981.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..