APA-čujuhus (7. p.)
Nicholas Follansbee & Follansbee, N. A catalogue of the stamps of Mexico 1856-1900 (Primera edición.).
Chicago-čujuhus (17. p.)
Nicholas Follansbee juo Nicholas Follansbee. A Catalogue of the Stamps of Mexico 1856-1900. Primera edición.
MLA-čujuhus (9. p.)
Nicholas Follansbee juo Nicholas Follansbee. A Catalogue of the Stamps of Mexico 1856-1900. Primera edición.
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