Colberg, M. R. (1965). Human capital in southern development: 1939-1963. Univ. of North Carolina Press.
Chicago-viite (17. p.)Colberg, Marshall Rudolph. Human Capital in Southern Development: 1939-1963. Chapel Hill: Univ. of North Carolina Press, 1965.
MLA-viite (8. p.)Colberg, Marshall Rudolph. Human Capital in Southern Development: 1939-1963. Univ. of North Carolina Press, 1965.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.