Παραπομπή σε μορφή APA (7η εκδ.)

Petersson, B. A., Andersen, H. B., & Hansen, E. H. (1987). Determination of Urea in Undiluted Blood Samples by Flow Injection Analysis Using Optosensin. Analytical Letters, 20(12), 1977-1994. https://doi.org/10.1080/00032718708078039

Παραπομπή σε μορφή Chicago (17η εκδ.)

Petersson, Bo A., Helle B. Andersen, και Elo H. Hansen. "Determination of Urea in Undiluted Blood Samples by Flow Injection Analysis Using Optosensin." Analytical Letters 20, no. 12 (1987): 1977-1994. https://doi.org/10.1080/00032718708078039.

Παραπομπή σε μορφή MLA (9th εκδ.)

Petersson, Bo A., et al. "Determination of Urea in Undiluted Blood Samples by Flow Injection Analysis Using Optosensin." Analytical Letters, vol. 20, no. 12, 1987, pp. 1977-1994, https://doi.org/10.1080/00032718708078039.