APA-referens (7:e uppl.)

Gass, S. M., Sorace, A., & Selinker,Larry. (1999). Second language learning data analysis (2nd ed.). Lawrence Erlbaum.

Chicago-referens (17:e uppl.)

Gass, Susan M., Antonella Sorace, och Selinker,Larry. Second Language Learning Data Analysis. 2nd ed. Mahwah, N.J.: Lawrence Erlbaum, 1999.

MLA-referens (8:e uppl.)

Gass, Susan M., et al. Second Language Learning Data Analysis. 2nd ed. Lawrence Erlbaum, 1999.