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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States. Department of State এবং inc Scholarly Resources. Press Conferences of the Secretaries of State, 1922-1973. Wilmington, Del.: Scholarly Resources, 1970.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিUnited States. Department of State এবং inc Scholarly Resources. Press Conferences of the Secretaries of State, 1922-1973. Scholarly Resources, 1970.
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