CASE, K. E. (2017). Principles of economics. Pearson Education.
Chicago Style (17th ed.) CitationCASE, Karl E. Principles of Economics. Pearson Education, 2017.
ציטוט MLACASE, Karl E. Principles of Economics. Pearson Education, 2017.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.