APA引文

Perpustakaan UGM, i. (1989). DRAINAGE PROBLEMS IN THE PADDY FIELDS. [Yogyakarta] : Universitas Gadjah Mada.

Chicago Style Citation

Perpustakaan UGM, i-lib. DRAINAGE PROBLEMS IN THE PADDY FIELDS. [Yogyakarta] : Universitas Gadjah Mada, 1989.

MLA引文

Perpustakaan UGM, i-lib. DRAINAGE PROBLEMS IN THE PADDY FIELDS. [Yogyakarta] : Universitas Gadjah Mada, 1989.

警告：這些引文格式不一定是100％准確.