APA-viite

Heathfield, H. A., & Kirby, J. (1993). PEN&PAD (Elderly Care): Designing a patient record system for elderly care. American Medical Informatics Association.

Chicago-tyylinen lähdeviittaus

Heathfield, H. A., ja J. Kirby. PEN&PAD (Elderly Care): Designing a Patient Record System for Elderly Care. American Medical Informatics Association, 1993.

MLA-viite

Heathfield, H. A., ja J. Kirby. PEN&PAD (Elderly Care): Designing a Patient Record System for Elderly Care. American Medical Informatics Association, 1993.

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