Cardona, F. C. Stress and job performance of school administrations in North Samar.
Chicago-viite (17. p.)Cardona, Felixberto C. Stress and Job Performance of School Administrations in North Samar.
MLA-viite (9. p.)Cardona, Felixberto C. Stress and Job Performance of School Administrations in North Samar.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.