Παραπομπή σε μορφή APA (7η εκδ.)

Putra, A., Wisha, U. J., & Kusumah, G. (2017). Spatial Analysis of the River Line and Land Cover Changes in the Kampar River Estuary: The Influence of the Bono Tidal Bore Phenomenon. Universitas Muhammadiyah Surakarta.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Putra, Aprizon, Ulung Jantama Wisha, και Gunardi Kusumah. Spatial Analysis of the River Line and Land Cover Changes in the Kampar River Estuary: The Influence of the Bono Tidal Bore Phenomenon. Universitas Muhammadiyah Surakarta, 2017.

Παραπομπή σε μορφή MLA (9th εκδ.)

Putra, Aprizon, et al. Spatial Analysis of the River Line and Land Cover Changes in the Kampar River Estuary: The Influence of the Bono Tidal Bore Phenomenon. Universitas Muhammadiyah Surakarta, 2017.