Philippines (Republic) Bureau of Public Schools Agricultural Education Division, Hess, O., & Mangasep, T. Vocational guide in approved cacao cultural practices. [The Division].
Chicago-viite (17. p.)Philippines (Republic) Bureau of Public Schools Agricultural Education Division, Oleen Hess, ja Tomas Mangasep. Vocational Guide in Approved Cacao Cultural Practices. Manila: [The Division].
MLA-viite (9. p.)Philippines (Republic) Bureau of Public Schools Agricultural Education Division, et al. Vocational Guide in Approved Cacao Cultural Practices. [The Division].
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.