APA

SPRINTHALL N. A., SPRINTHALL R. C., . (1990). Educational psychology. New York [etc.]: McGraw-Hill, Inc.

Chicago

SPRINTHALL Norman A, SPRINTHALL Richard C, . 1990. Educational psychology. New York [etc.]: McGraw-Hill, Inc.

Harvard

SPRINTHALL N. A., SPRINTHALL R. C., . (1990). Educational psychology. New York [etc.]: McGraw-Hill, Inc.

MLA

SPRINTHALL Norman A, SPRINTHALL Richard C, . Educational psychology. New York [etc.]: McGraw-Hill, Inc. 1990.