Hekler, E. B., Castro, C. M., Buman, M. P., & King, A. C. (2011). The CHOICE Study: A “taste-test” of utilitarian vs. leisure walking among older adults.
استشهاد بنمط شيكاغوHekler, Eric B., Cynthia M. Castro, Matthew P. Buman, و Abby C. King. The CHOICE Study: A “taste-test” of Utilitarian Vs. Leisure Walking Among Older Adults. 2011.
MLA استشهادHekler, Eric B., Cynthia M. Castro, Matthew P. Buman, و Abby C. King. The CHOICE Study: A “taste-test” of Utilitarian Vs. Leisure Walking Among Older Adults. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.