Gaya APA

Halos, S. et al (1994). Proceedings of the symposium on biotechnological and environmental approaches to forest pest and disease management ,Quezon City ,Philippines,28-30 April 1993 . Bogor: Seamod Biotrop.

Gaya MLA

Halos, S.C.. et al. "Proceedings of the symposium on biotechnological and environmental approaches to forest pest and disease management ,Quezon City ,Philippines,28-30 April 1993". Bogor: Seamod Biotrop, 1994. Text.