APA-referens (7:e uppl.)

Philippines (Republic). Bureau of Lands. (1955). Training program: Modernization and mechanization program. s.n.].

Chicago-referens (17:e uppl.)

Philippines (Republic). Bureau of Lands. Training Program: Modernization and Mechanization Program. [Manila: s.n.], 1955.

MLA-referens (9:e uppl.)

Philippines (Republic). Bureau of Lands. Training Program: Modernization and Mechanization Program. s.n.], 1955.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.