Philippines (Republic). Bureau of Agricultural Extension. (1955). 4-H club work: A manual for extension workers and leaders. [s.n.
Čikaški stil citiranja (17. izdanje)Philippines (Republic). Bureau of Agricultural Extension. 4-H Club Work: A Manual for Extension Workers and Leaders. Manila: [s.n, 1955.
MLA način citiranja (9. izdanje)Philippines (Republic). Bureau of Agricultural Extension. 4-H Club Work: A Manual for Extension Workers and Leaders. [s.n, 1955.
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