APA-viite (7. p.)

Nurk, E., Drevon, C., Refsum, H., Solvoll, K., Vollset, S., Nygård, O., . . . Smith, A. (2007). Cognitive performance among the elderly and dietary fish intake: The Hordaland Health Study.

Chicago-viite (17. p.)

Nurk, E., et al. Cognitive Performance Among the Elderly and Dietary Fish Intake: The Hordaland Health Study. 2007.

MLA-viite (9. p.)

Nurk, E., et al. Cognitive Performance Among the Elderly and Dietary Fish Intake: The Hordaland Health Study. 2007.

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