APA (7 वां संस्करण) प्रशस्ति पत्र
Linguistic Typology Symposium Berkeley, Calif, ebrary, Inc, & Lehmann, W. P. (1990). Language typology 1987: Systematic balance in language : papers from the Linguistic Typology Symposium, Berkeley, 1-3 December 1987. J. Benjamins Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Linguistic Typology Symposium Berkeley, Calif, Inc ebrary, और Winfred P. Lehmann. Language Typology 1987: Systematic Balance in Language : Papers from the Linguistic Typology Symposium, Berkeley, 1-3 December 1987. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Linguistic Typology Symposium Berkeley, Calif, et al. Language Typology 1987: Systematic Balance in Language : Papers from the Linguistic Typology Symposium, Berkeley, 1-3 December 1987. J. Benjamins Pub. Co., 1990.
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