@Book{399670025,
author="Portugal, Fernandes",
title="Guia pr{\'a}tico da l{\'{\i}}ngua yor{\`u}b{\'a} em quatro idiomas: portugu{\^e}s, espanhol, ingl{\^e}s e yor{\`u}b{\'a}",
year="2002",
publisher="Madras Ed.",
address="S{\~a}o Paulo",
note="Fernandez Portugal Filho",
isbn="8573744979",
language="Multiple languages"
}