APA-viite (7. p.)

Liu, X., Zeng, W., Zhou, W., Zheng, D., Yang, X., & Liao, W. (2025). Association between dietary fatty acid intake and preserved ratio impaired spirometry in U.S. adults: A population-based cross-sectional study. Frontiers Media S.A.

Chicago-viite (17. p.)

Liu, Xiang, Wei Zeng, Wangyan Zhou, Dayang Zheng, Xu Yang, ja Weijun Liao. Association Between Dietary Fatty Acid Intake and Preserved Ratio Impaired Spirometry in U.S. Adults: A Population-based Cross-sectional Study. Frontiers Media S.A, 2025.

MLA-viite (9. p.)

Liu, Xiang, et al. Association Between Dietary Fatty Acid Intake and Preserved Ratio Impaired Spirometry in U.S. Adults: A Population-based Cross-sectional Study. Frontiers Media S.A, 2025.