Isidro, A. (1989). Aging and the art of staying young / Antonio Isidro. Katha Publishing Company.
Chicago Style (17th ed.) CitationIsidro, Antonio. Aging and the Art of Staying Young / Antonio Isidro. Quezon City: Katha Publishing Company, 1989.
MLA (9th ed.) CitationIsidro, Antonio. Aging and the Art of Staying Young / Antonio Isidro. Katha Publishing Company, 1989.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.