APA (7e ed.) Bronvermelding

Gray, J. A. (1971). The psychology of fear and stress. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Gray, Jeffrey Alan. The Psychology of Fear and Stress. New York: McGraw-Hill, 1971.

MLA (9e ed.) Bronvermelding

Gray, Jeffrey Alan. The Psychology of Fear and Stress. McGraw-Hill, 1971.