APA (7e ed.) Bronvermelding

Não informado. Racing Pigeon Bulletin. International Federation of American Homing Pigeon Fanciers.

Chicago (17e ed.) Bronvermelding

Não informado. Racing Pigeon Bulletin. Centerville, Ohio: International Federation of American Homing Pigeon Fanciers.

MLA (8e ed.) Bronvermelding

Não informado. Racing Pigeon Bulletin. International Federation of American Homing Pigeon Fanciers.

Let op: Deze citaties zijn niet altijd 100% accuraat.