APA-viite (7. p.)

Khoo, J., Zhao, L., Alp, N., Bendall, J., Nicoll, T., Wilkins, M., & Channon, K. (2004). GTP cyclohydrolase I deficiency results in oxidative stress and pulmonary hypertension.

Chicago-viite (17. p.)

Khoo, J., L. Zhao, N. Alp, J. Bendall, T. Nicoll, MR Wilkins, ja K. Channon. GTP Cyclohydrolase I Deficiency Results in Oxidative Stress and Pulmonary Hypertension. 2004.

MLA-viite (9. p.)

Khoo, J., et al. GTP Cyclohydrolase I Deficiency Results in Oxidative Stress and Pulmonary Hypertension. 2004.