Pozdnyakov, D., & Grassl, H. (2003). Colour of inland and coastal waters: A methodology for its interpretation. Praxis.
استشهاد بنمط شيكاغوPozdnyakov, Dmitry, و Hartmut Grassl. Colour of Inland and Coastal Waters: A Methodology for Its Interpretation. Germany: Praxis, 2003.
MLA استشهادPozdnyakov, Dmitry, و Hartmut Grassl. Colour of Inland and Coastal Waters: A Methodology for Its Interpretation. Praxis, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.