एपीए उद्धरण

Lewis, S. (2019). Impress in English: Presentation Skills for Non-Native Speakers. USA: Matterhorn Languages.

शिकागो स्टाइल उद्धरण

Lewis, Susanne. Impress in English: Presentation Skills for Non-Native Speakers. USA: Matterhorn Languages, 2019.

एमएलए उद्धरण

Lewis, Susanne. Impress in English: Presentation Skills for Non-Native Speakers. USA: Matterhorn Languages, 2019.