Ryan، Richard M.؛ Deci، Edward L. (2000). "Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions". Contemporary Educational Psychology. ج. 25 ع. 1: 54–67. CiteSeerX:10.1.1.318.808. DOI:10.1006/ceps.1999.1020. PMID:10620381.
Schneider، Benjamin؛ Alderfer، Clayton P. (1973). "Three Studies of Measures of Need Satisfaction in Organizations". Administrative Science Quarterly. ج. 18 ع. 4: 489–505. DOI:10.2307/2392201. JSTOR:2392201.
Schneider، Benjamin؛ Alderfer، Clayton P. (1973). "Three Studies of Measures of Need Satisfaction in Organizations". Administrative Science Quarterly. ج. 18 ع. 4: 489–505. DOI:10.2307/2392201. JSTOR:2392201.
nih.gov
pubmed.ncbi.nlm.nih.gov
Ryan، Richard M.؛ Deci، Edward L. (2000). "Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions". Contemporary Educational Psychology. ج. 25 ع. 1: 54–67. CiteSeerX:10.1.1.318.808. DOI:10.1006/ceps.1999.1020. PMID:10620381.
Ryan، Richard M.؛ Deci، Edward L. (2000). "Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions". Contemporary Educational Psychology. ج. 25 ع. 1: 54–67. CiteSeerX:10.1.1.318.808. DOI:10.1006/ceps.1999.1020. PMID:10620381.