Não informado. Selected nuclear magnetic resonance spectral data. American Petroleum Institute Research Project.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Selected Nuclear Magnetic Resonance Spectral Data. College Station, Tex: American Petroleum Institute Research Project.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Selected Nuclear Magnetic Resonance Spectral Data. American Petroleum Institute Research Project.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.