SOEMANTRI, S. (1982). Study of Indonesia's economically active population. Gadjah Mada University.
Chicago-viite (17. p.)SOEMANTRI, Soeharsono. Study of Indonesia's Economically Active Population. Gadjah Mada University, 1982.
MLA-viite (8. p.)SOEMANTRI, Soeharsono. Study of Indonesia's Economically Active Population. Gadjah Mada University, 1982.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.