Não informado. (1990). Mechanisms of Development. Elsevier Scientific Publishers Ireland.
Chicago-viite (17. p.)Não informado. Mechanisms of Development. Limerick, Irlanda: Elsevier Scientific Publishers Ireland, 1990.
MLA-viite (8. p.)Não informado. Mechanisms of Development. Elsevier Scientific Publishers Ireland, 1990.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.