APA
Hansen J. F., . (1979). Sociocultural perspectives on human learning. Englewood Cliffs: Prentice-Hall.
Chicago
Hansen Judith Friedman, . 1979. Sociocultural perspectives on human learning. Englewood Cliffs: Prentice-Hall.
Harvard
Hansen J. F., . (1979). Sociocultural perspectives on human learning. Englewood Cliffs: Prentice-Hall.
MLA
Hansen Judith Friedman, . Sociocultural perspectives on human learning. Englewood Cliffs: Prentice-Hall. 1979.