Agrell, N. P. (1672). Institutiones arithmeticae .. Amund Grefwe.
Lua i Stíl Chicago (17ú heag.)Agrell, Nicolaus Petri. Institutiones Arithmeticae .. Götheberg: Amund Grefwe, 1672.
Lua MLA (8ú heag.)Agrell, Nicolaus Petri. Institutiones Arithmeticae .. Amund Grefwe, 1672.
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