"Style and Grammar Guidelines". APA Style. American Psychological Association. September 2019. Archived from the original on September 18, 2023. Retrieved October 3, 2023.
"About APA Style". APAStyle.org. American Psychological Association. Retrieved February 27, 2020.
Bentley, M.; Peerenboom, C. A.; Hodge, F. W.; Passano, Edward B.; Warren, H. C.; Washburn, M. F. (February 1929). "Instructions in regard to preparation of manuscript". Psychological Bulletin. 26 (2): 57–63. doi:10.1037/h0071487. ISSN0033-2909.
Anderson, J. E.; Valentine, W. L. (June 1944). "The preparation of articles for publication in the journals of the American Psychological Association". Psychological Bulletin. 41 (6): 345–376. doi:10.1037/h0063335. ISSN0033-2909.
"Style and Grammar Guidelines". APA Style. American Psychological Association. September 2019. Archived from the original on September 18, 2023. Retrieved October 3, 2023.
Bentley, M.; Peerenboom, C. A.; Hodge, F. W.; Passano, Edward B.; Warren, H. C.; Washburn, M. F. (February 1929). "Instructions in regard to preparation of manuscript". Psychological Bulletin. 26 (2): 57–63. doi:10.1037/h0071487. ISSN0033-2909.
Anderson, J. E.; Valentine, W. L. (June 1944). "The preparation of articles for publication in the journals of the American Psychological Association". Psychological Bulletin. 41 (6): 345–376. doi:10.1037/h0063335. ISSN0033-2909.