Konijnenburg, J. H. v. (1997). Sedimentology and stratigraphic architecture of a Cretaceous to lower Tertiary carbonate base-of-slope succession, Gran Sasso d'Italia, central Apennines, Italy. Swiss Federal Institute of Technology Zürich.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKonijnenburg, Johan Hendrik van. Sedimentology and Stratigraphic Architecture of a Cretaceous to Lower Tertiary Carbonate Base-of-slope Succession, Gran Sasso D'Italia, Central Apennines, Italy. Zürich: Swiss Federal Institute of Technology Zürich, 1997.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিKonijnenburg, Johan Hendrik van. Sedimentology and Stratigraphic Architecture of a Cretaceous to Lower Tertiary Carbonate Base-of-slope Succession, Gran Sasso D'Italia, Central Apennines, Italy. Swiss Federal Institute of Technology Zürich, 1997.