APA (7 ম সংস্করণ) উদ্ধৃতি

Gortz, F. J. Heinrich boll, on his death selected obituaries and the last interview. Intet nationes bonn.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gortz, Franz Josef. Heinrich Boll, on His Death Selected Obituaries and the Last Interview. Intet nationes bonn.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Gortz, Franz Josef. Heinrich Boll, on His Death Selected Obituaries and the Last Interview. Intet nationes bonn.