Tulle, E., & Phoenix, C. (2020). Physical Activity and Sport in Later Life. 1st ed. 2015. Palgrave Macmillan UK.
استشهاد بنمط شيكاغوTulle, Emmanuelle, و Cassandra Phoenix. Physical Activity and Sport in Later Life. 1st Ed. 2015. Palgrave Macmillan UK, 2020.
MLA استشهادTulle, Emmanuelle, و Cassandra Phoenix. Physical Activity and Sport in Later Life. 1st Ed. 2015. Palgrave Macmillan UK, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.