APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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