APA (7th ed.) Citation

Penones, H. F. J. V. "Oryol". s.n.

Chicago Style (17th ed.) Citation

Penones, H. Francisco Jr. V. "Oryol". s.l: s.n.

MLA (9th ed.) Citation

Penones, H. Francisco Jr. V. "Oryol". s.n.

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