Não informado. (2020). Rubber-News from Indonesia and Abroad. Jajasan Penjelidikan dan Pemakaian.
Citação do estilo Chicago (17ª ed.)Não informado. Rubber-News from Indonesia and Abroad. Bogor, Indonesia: Jajasan Penjelidikan dan Pemakaian, 2020.
Citação MLA (8ª ed.)Não informado. Rubber-News from Indonesia and Abroad. Jajasan Penjelidikan dan Pemakaian, 2020.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.