Παραπομπή APA

Bell, D. (1967). Toward the year 2000: Work in progress. Virginia: American Academy of Arts and Sciences.

Παραπομπή Chicago Style

Bell, Daniel. Toward the Year 2000: Work in Progress. Virginia: American Academy of Arts and Sciences, 1967.

Παραπομπή MLA

Bell, Daniel. Toward the Year 2000: Work in Progress. Virginia: American Academy of Arts and Sciences, 1967.

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