APA (7 ম সংস্করণ) উদ্ধৃতি

Heuduck, A. a. W. (1949). Letter to Gerdt Wagner also Letter in German to Paul Heuduck, Janurary 26, 1949 and January 23, 1948. Saint Louis University Libraries Digitization Center.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Heuduck, Arno and Wagner. Letter to Gerdt Wagner Also Letter in German to Paul Heuduck, Janurary 26, 1949 and January 23, 1948. Saint Louis University Libraries Digitization Center, 1949.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Heuduck, Arno and Wagner. Letter to Gerdt Wagner Also Letter in German to Paul Heuduck, Janurary 26, 1949 and January 23, 1948. Saint Louis University Libraries Digitization Center, 1949.

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