APA-viite

Collaboration, H. L. T. (1998). Lowering blood homocysteine with folic acid based supplements: Meta-analysis of randomised trials. British Medical Journal.

Chicago-tyylinen lähdeviittaus

Collaboration, Homocysteine Lowering Trialists’. Lowering Blood Homocysteine With Folic Acid Based Supplements: Meta-analysis of Randomised Trials. British Medical Journal, 1998.

MLA-viite

Collaboration, Homocysteine Lowering Trialists’. Lowering Blood Homocysteine With Folic Acid Based Supplements: Meta-analysis of Randomised Trials. British Medical Journal, 1998.

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