APA-viite

Landeen, L. K., Yahya, M. T., & Gerba, C. P. (1989). Efficacy of copper and silver ions and reduced levels of free chlorine in inactivation of Legionella pneumophila.

Chicago-tyylinen lähdeviittaus

Landeen, L K., M T. Yahya, ja C P. Gerba. Efficacy of Copper and Silver Ions and Reduced Levels of Free Chlorine in Inactivation of Legionella Pneumophila. 1989.

MLA-viite

Landeen, L K., M T. Yahya, ja C P. Gerba. Efficacy of Copper and Silver Ions and Reduced Levels of Free Chlorine in Inactivation of Legionella Pneumophila. 1989.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.