Dyfyniad APA

Harwood, D., Hawton, K., Hope, T., Harriss, L., & Jacoby, R. (2006). Life problems and physical illness as risk factors for suicide in older people: A descriptive and case-control study.

Dyfyniad Arddull Chicago

Harwood, D., K. Hawton, T. Hope, L. Harriss, and R. Jacoby. Life Problems and Physical Illness as Risk Factors for Suicide in Older People: A Descriptive and Case-control Study. 2006.

Dyfyniad MLA

Harwood, D., et al. Life Problems and Physical Illness as Risk Factors for Suicide in Older People: A Descriptive and Case-control Study. 2006.

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