Lua APA (7ú heag.)

Gupta, S. P. (2017). Statistical Methods (45th rev. ed.). Sultan Chand & Sons.

Lua i Stíl Chicago (17ú heag.)

Gupta, S. P. Statistical Methods. 45th rev. ed. New Delhi: Sultan Chand & Sons, 2017.

Lua MLA (9ú heag.)

Gupta, S. P. Statistical Methods. 45th rev. ed. Sultan Chand & Sons, 2017.

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