Παραπομπή σε μορφή APA (7η εκδ.)

Yunlai Bai, Hua Tang, Kai Yang, & Estonian Academy Publishers. Geological characteristics and some problems in development for oil shale in northwest China.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Yunlai Bai, Hua Tang, Kai Yang, και Estonian Academy Publishers. Geological Characteristics and Some Problems in Development for Oil Shale in Northwest China.

Παραπομπή σε μορφή MLA (9th εκδ.)

Yunlai Bai, et al. Geological Characteristics and Some Problems in Development for Oil Shale in Northwest China.