Παραπομπή APA

Liu, C., Crawford, F., Marrack, P., & Kappler, J. (1998). T cell positive selection by a high density, low affinity ligand. National Academy of Sciences.

Παραπομπή Chicago Style

Liu, Chih-Pin, Frances Crawford, Philippa Marrack, και John Kappler. T Cell Positive Selection By a High Density, Low Affinity Ligand. National Academy of Sciences, 1998.

Παραπομπή MLA

Liu, Chih-Pin, Frances Crawford, Philippa Marrack, και John Kappler. T Cell Positive Selection By a High Density, Low Affinity Ligand. National Academy of Sciences, 1998.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.