APA-viite (7. p.)

Não informado. (2001). Annual report of the Bureau of Science, Philippine Islands. Bureau of Science.

Chicago-viite (17. p.)

Não informado. Annual Report of the Bureau of Science, Philippine Islands. Manila: Bureau of Science, 2001.

MLA-viite (8. p.)

Não informado. Annual Report of the Bureau of Science, Philippine Islands. Bureau of Science, 2001.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.