lekachman, r., & novack, d. E. (1964). Development and society the dynamics of economic change. st martin's press.
Cytowanie według stylu Chicago (wyd. 17)lekachman, robert, i david E. novack. Development and Society the Dynamics of Economic Change. new york: st martin's press, 1964.
Cytowanie według stylu MLA (wyd. 9)lekachman, robert, i david E. novack. Development and Society the Dynamics of Economic Change. st martin's press, 1964.