Ong, R. (2017). Philippine bonsai group, BSAP joining hortikultura 2018. IN Philippine Gardens [column]. Philippine Star.
Chicago-viite (17. p.)Ong, Ray. "Philippine Bonsai Group, BSAP Joining Hortikultura 2018. IN Philippine Gardens [column]." Philippine Star 2017.
MLA-viite (9. p.)Ong, Ray. "Philippine Bonsai Group, BSAP Joining Hortikultura 2018. IN Philippine Gardens [column]." Philippine Star, 2017.
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