Panama-Pacific International Exposition San Francisco, Calif. (1915). Education and social economy: Official catalogue of exhibitors : Panama-Pacific International Exposition, San Francisco, 1915 (Prelim. ed.). Wahlgreen Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPanama-Pacific International Exposition San Francisco, Calif. Education and Social Economy: Official Catalogue of Exhibitors : Panama-Pacific International Exposition, San Francisco, 1915. Prelim. ed. San Francisco: Wahlgreen Co., 1915.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPanama-Pacific International Exposition San Francisco, Calif. Education and Social Economy: Official Catalogue of Exhibitors : Panama-Pacific International Exposition, San Francisco, 1915. Prelim. ed. Wahlgreen Co., 1915.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.