APA-viite

Sharpe, P. . .. (1997). How to prepare for the TOEFL test (8.). Galgotia publication pvt ltd.

Chicago-tyylinen lähdeviittaus

Sharpe, Pamela. How to Prepare for the TOEFL Test. 8. : Galgotia publication pvt ltd, 1997.

MLA-viite

Sharpe, Pamela. How to Prepare for the TOEFL Test. 8. Galgotia publication pvt ltd, 1997.