APA-viite (7. p.)

Simpson, D., Fryer, A., Grossman, A., Wass, J., Pfeifer, M., Kros, J., . . . Farrell, W. (2001). Cyclin D1 (CCND1) genotype is associated with tumour grade in sporadic pituitary adenomas.

Chicago-viite (17. p.)

Simpson, D., A. Fryer, AB Grossman, J. Wass, M. Pfeifer, J. Kros, R. Clayton, ja W. Farrell. Cyclin D1 (CCND1) Genotype Is Associated with Tumour Grade in Sporadic Pituitary Adenomas. 2001.

MLA-viite (9. p.)

Simpson, D., et al. Cyclin D1 (CCND1) Genotype Is Associated with Tumour Grade in Sporadic Pituitary Adenomas. 2001.