Leone, L. P., & Johnston, H. L. (1954). Agricultural migrants and public health.
Chicago Style aipamenaLeone, Lucile Petry, and Helen L. Johnston. Agricultural Migrants and Public Health. 1954.
MLA aipamenaLeone, Lucile Petry, and Helen L. Johnston. Agricultural Migrants and Public Health. 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.