Feng, L., Lim, M. L., Collinson, S. L., Ng, T. P., & PSYCHOLOGY. (2013). Pulmonary function and cognitive decline in an older Chinese population in Singapore. Informa Healthcare USA, Inc.
استشهاد بنمط شيكاغوFeng, Lei, May Li Lim, Simon Lowes Collinson, Tze Pin Ng, و PSYCHOLOGY. Pulmonary Function and Cognitive Decline in an Older Chinese Population in Singapore. Informa Healthcare USA, Inc, 2013.
MLA استشهادFeng, Lei, et al. Pulmonary Function and Cognitive Decline in an Older Chinese Population in Singapore. Informa Healthcare USA, Inc, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.