Παραπομπή APA

Fries, P. H., Cummings, M., Lockwood, D., & Spruiell, W. (2002). Relations and functions within and around language. Continuum.

Παραπομπή Chicago Style

Fries, Peter H., Michael Cummings, David Lockwood, και William Spruiell. Relations and Functions Within and Around Language. London: Continuum, 2002.

Παραπομπή MLA

Fries, Peter H., et al. Relations and Functions Within and Around Language. Continuum, 2002.