Cita APA (7th ed.)

Kottler, B., & Markman, A. M. (1966). A concordance to five Middle English poems: Cleanness; St. Erkenwald; Sir Gawain and the Green Knight; Patience; Pearl. University of Pittsburgh Press.

Cita Chicago (17th ed.)

Kottler, Barnet, i Alan M. Markman. A Concordance to Five Middle English Poems: Cleanness; St. Erkenwald; Sir Gawain and the Green Knight; Patience; Pearl. Pittsburgh: University of Pittsburgh Press, 1966.

Cita MLA (8th ed.)

Kottler, Barnet, i Alan M. Markman. A Concordance to Five Middle English Poems: Cleanness; St. Erkenwald; Sir Gawain and the Green Knight; Patience; Pearl. University of Pittsburgh Press, 1966.