Chang, L. C. (1992). Pencirian sebatian aktif biologi daripada spesies: Goniothalamus giganteus Hook. f., Thomas dan Goniothalamus velutinus Airy-Shaw (family. Fakulti Sains & Sumber Alam.
Chicago Style (17th ed.) CitationChang, Leng Chee. Pencirian Sebatian Aktif Biologi Daripada Spesies: Goniothalamus Giganteus Hook. F., Thomas Dan Goniothalamus Velutinus Airy-Shaw (family. UKM, Kampus Sabah, Menggatal: Fakulti Sains & Sumber Alam, 1992.
MLA (8th ed.) CitationChang, Leng Chee. Pencirian Sebatian Aktif Biologi Daripada Spesies: Goniothalamus Giganteus Hook. F., Thomas Dan Goniothalamus Velutinus Airy-Shaw (family. Fakulti Sains & Sumber Alam, 1992.
Warning: These citations may not always be 100% accurate.