APA (7 वां संस्करण) प्रशस्ति पत्र
Butler, C. (2003). Approaches to the simplex clause: A guide to three major structural-functional theories. John Benjamins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Butler, Christopher. Approaches to the Simplex Clause: A Guide to Three Major Structural-functional Theories. Amsterdam ; Philadelphia: John Benjamins, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Butler, Christopher. Approaches to the Simplex Clause: A Guide to Three Major Structural-functional Theories. John Benjamins, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.