Penones, H. F. J. V. "Oryol". s.n.
Chicago Style (17th ed.) CitationPenones, H. Francisco Jr. V. "Oryol". s.l: s.n.
MLA (9th ed.) CitationPenones, H. Francisco Jr. V. "Oryol". s.n.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
Penones, H. F. J. V. "Oryol". s.n.
Chicago Style (17th ed.) CitationPenones, H. Francisco Jr. V. "Oryol". s.l: s.n.
MLA (9th ed.) CitationPenones, H. Francisco Jr. V. "Oryol". s.n.