Perpustakaan UGM, i. (1991). The response of Hawaiian native weed Eragrostis variabilis and some crop plants to germination substrate acidity = Tanggapan Eragristis variabilis (rumput Hawaii dan beberapa tanaman pertanian terhadap keasaman .. [Yogyakarta] : Universitas Gadjah Mada.
استشهاد بنمط شيكاغوPerpustakaan UGM, i-lib. The Response of Hawaiian Native Weed Eragrostis Variabilis and Some Crop Plants to Germination Substrate Acidity = Tanggapan Eragristis Variabilis (rumput Hawaii Dan Beberapa Tanaman Pertanian Terhadap Keasaman .. [Yogyakarta] : Universitas Gadjah Mada, 1991.
MLA استشهادPerpustakaan UGM, i-lib. The Response of Hawaiian Native Weed Eragrostis Variabilis and Some Crop Plants to Germination Substrate Acidity = Tanggapan Eragristis Variabilis (rumput Hawaii Dan Beberapa Tanaman Pertanian Terhadap Keasaman .. [Yogyakarta] : Universitas Gadjah Mada, 1991.