Beyond the call of duty

Mellema, Gregory 1948-. Beyond the call of duty: supererogation, obligation, and offence / Gregory Mellema . - Albany : State University of New York Press, 1991 . - ix, 226 p. 24 cm. - (SUNY series in ethical theory )
К.: Бібліогр. в прим. : с. 211-219, Index
0-7914-0738-1