Cita APA (7th ed.)

Philippine commercial agencies. Publicity dept. (1920). Economic resources and development of the Philippine Islands. WEL Collection.

Cita Chicago (17th ed.)

Philippine commercial agencies. Publicity dept. Economic Resources and Development of the Philippine Islands. [S.l.]: WEL Collection, 1920.

Cita MLA (9th ed.)

Philippine commercial agencies. Publicity dept. Economic Resources and Development of the Philippine Islands. WEL Collection, 1920.