Fred E. Foldvary, ed., 1996. Beyond Neoclassical Economics: Heterodox Approaches to Economic Theory, Edward Elgar. Description and contents B&N.com links.
books.google.com
John B. Davis (2006). "Heterodox Economics, the Fragmentation of the Mainstream, and Embedded Individual Analysis", in Future Directions in Heterodox Economics, p. 57. Ann Arbor: University of Michigan Press.