Cita APA (7th ed.)

Reyes, F. D., & Juan, T. D. (1927). Government coal purchases under specifications. Bureau of Printing.

Cita Chicago (17th ed.)

Reyes, F. D., i T. Dar Juan. Government Coal Purchases Under Specifications. Manila: Bureau of Printing, 1927.

Cita MLA (9th ed.)

Reyes, F. D., i T. Dar Juan. Government Coal Purchases Under Specifications. Bureau of Printing, 1927.