Παραπομπή APA

(2000). Ulrich's international periodicals directory 2000: Including irregular serials & annuals (38th ed.). New Providence, NJ: R. R. Bowker.

Παραπομπή Chicago Style

Ulrich's International Periodicals Directory 2000: Including Irregular Serials & Annuals. 38th ed. New Providence, NJ: R. R. Bowker, 2000.

Παραπομπή MLA

Ulrich's International Periodicals Directory 2000: Including Irregular Serials & Annuals. 38th ed. New Providence, NJ: R. R. Bowker, 2000.

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