University of the Philippines, Quezon City. Science Education Center. Biology Work Group, & Villavicencio, R. R. (1983). Guidebook to grassland plants: A resource material for biology teachers. Pundasyon sa Pagpapaunlad ng Kaalaman sa Pagtuturo ng Agham.
Chicago Style (17th ed.) CitationUniversity of the Philippines, Quezon City. Science Education Center. Biology Work Group, and Rosalina R. Villavicencio. Guidebook to Grassland Plants: A Resource Material for Biology Teachers. Quezon City: Pundasyon sa Pagpapaunlad ng Kaalaman sa Pagtuturo ng Agham, 1983.
MLA (9th ed.) CitationUniversity of the Philippines, Quezon City. Science Education Center. Biology Work Group, and Rosalina R. Villavicencio. Guidebook to Grassland Plants: A Resource Material for Biology Teachers. Pundasyon sa Pagpapaunlad ng Kaalaman sa Pagtuturo ng Agham, 1983.