Παραπομπή APA

Collins, B. J. (1951). Development plans explained. London: His Majesty's Stationery Office.

Παραπομπή Chicago Style

Collins, B. J. Development Plans Explained. London: His Majesty's Stationery Office, 1951.

Παραπομπή MLA

Collins, B. J. Development Plans Explained. London: His Majesty's Stationery Office, 1951.

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