APA (7 वां संस्करण) प्रशस्ति पत्र

Lieb, H. (1888). The protective tariff: What it does to us! (4th and rev. ed.). Belford, Clarke.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lieb, Hermann. The Protective Tariff: What It Does to Us! 4th and rev. ed. Chicago: Belford, Clarke, 1888.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Lieb, Hermann. The Protective Tariff: What It Does to Us! 4th and rev. ed. Belford, Clarke, 1888.