Παραπομπή APA

Petzel, T. E. (1989). Financial futures and options: A quide to markets, applications, and strategies. New York: Quorum Books.

Παραπομπή Chicago Style

Petzel, Todd E. Financial Futures and Options: A Quide to Markets, Applications, and Strategies. New York: Quorum Books, 1989.

Παραπομπή MLA

Petzel, Todd E. Financial Futures and Options: A Quide to Markets, Applications, and Strategies. New York: Quorum Books, 1989.

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