Παραπομπή σε μορφή APA (7η εκδ.)

Syawal, S. M. The role of schooling and extension in rice production and income of farmers in South Sulawesi, Indonesia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Syawal, Saloko Mohammad. The Role of Schooling and Extension in Rice Production and Income of Farmers in South Sulawesi, Indonesia.

Παραπομπή σε μορφή MLA (9th εκδ.)

Syawal, Saloko Mohammad. The Role of Schooling and Extension in Rice Production and Income of Farmers in South Sulawesi, Indonesia.