Gaya APA

Ryan, R, M., Deci, E, L. (). Article - Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions Vol. & Hal Vol. 25, No. 1, Hal. 54–67 (Vol. & Hal Vol. 25, No. 1, Hal. 54–67). : Elsevier Academic Press.

Gaya MLA

Ryan, Richard, M.., Deci, Edward, L.. "Article - Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions Vol. & Hal Vol. 25, No. 1, Hal. 54–67". Vol. & Hal Vol. 25, No. 1, Hal. 54–67 : Elsevier Academic Press, . Electronic Resource.