Boccard, N., & Wauthy, X. (1998). Import restraints and quality choice under vertical differentiation. Centre for Operations Research & Econometrics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoccard, Nicolas, और X. Wauthy. Import Restraints and Quality Choice Under Vertical Differentiation. Belgium: Centre for Operations Research & Econometrics, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBoccard, Nicolas, और X. Wauthy. Import Restraints and Quality Choice Under Vertical Differentiation. Centre for Operations Research & Econometrics, 1998.
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