APA aipamena

WARREN, R. P. Six Centuries of Great Poetry. Dell Publishing Co., Inc.

Chicago Style aipamena

WARREN, Robert Penn. Six Centuries of Great Poetry. Dell Publishing Co., Inc.

MLA aipamena

WARREN, Robert Penn. Six Centuries of Great Poetry. Dell Publishing Co., Inc.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.