APA aipamena

Shippen, K. B. (1950). Passage to America: The Story of the great Migrations.

Chicago Style aipamena

Shippen, Katherin B. Passage to America: The Story of the Great Migrations. 1950.

MLA aipamena

Shippen, Katherin B. Passage to America: The Story of the Great Migrations. 1950.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.