Παραπομπή APA

(1981). Annual report for the fiscal year ended September 30 1980. Philadelphia: Wm. F. Fell Co.

Παραπομπή Chicago Style

Annual Report for the Fiscal Year Ended September 30 1980. Philadelphia: Wm. F. Fell Co, 1981.

Παραπομπή MLA

Annual Report for the Fiscal Year Ended September 30 1980. Philadelphia: Wm. F. Fell Co, 1981.

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