APA

Arnold W. W., Plas J. M., . (1993). The human touch. New York: John Wiley & Sons.

Chicago

Arnold William W, Plas Jeanne M, . 1993. The human touch. New York: John Wiley & Sons.

Harvard

Arnold W. W., Plas J. M., . (1993). The human touch. New York: John Wiley & Sons.

MLA

Arnold William W, Plas Jeanne M, . The human touch. New York: John Wiley & Sons. 1993.