Ong, L. J., & Teck, K. K. (2019). Habitual sleep duration of coaches during in-competition and out-of-competition.
استشهاد بنمط شيكاغوOng, Lydia Jingya, و Koh Koon Teck. Habitual Sleep Duration of Coaches During In-competition and Out-of-competition. 2019.
MLA استشهادOng, Lydia Jingya, و Koh Koon Teck. Habitual Sleep Duration of Coaches During In-competition and Out-of-competition. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.