APA (7e ed.) Bronvermelding

Trio, P. Z., Perlas, L. A., & Ulanday, J. R. C. (2011). Method validation of plasma or serum retinol analysis using high performane liquid chromatography UV/VIS detection. Transactions of the National Academy of Science and Technology.

Chicago (17e ed.) Bronvermelding

Trio, Phoebe Z., Leah A. Perlas, en Joselita Rosario C. Ulanday. "Method Validation of Plasma or Serum Retinol Analysis Using High Performane Liquid Chromatography UV/VIS Detection." Transactions of the National Academy of Science and Technology 2011.

MLA (9e ed.) Bronvermelding

Trio, Phoebe Z., et al. "Method Validation of Plasma or Serum Retinol Analysis Using High Performane Liquid Chromatography UV/VIS Detection." Transactions of the National Academy of Science and Technology, 2011.