Folkmar, D. (1904). Album of Philippine types (found in Bilibid Prison in 1903) Christians and Moros (including a few non-Christians). Bureau of Public Print.
Chicago-viite (17. p.)Folkmar, Daniel. Album of Philippine Types (found in Bilibid Prison in 1903) Christians and Moros (including a Few Non-Christians). Manila: Bureau of Public Print, 1904.
MLA-viite (9. p.)Folkmar, Daniel. Album of Philippine Types (found in Bilibid Prison in 1903) Christians and Moros (including a Few Non-Christians). Bureau of Public Print, 1904.
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