Dyfyniad APA

Tissot, B. P., & Welte, D. H. (1978). Petroleum fromation and occurrence: A new approach to oil and gas exploration. Springer- Verlag.

Dyfyniad Arddull Chicago

Tissot, B P., and D H. Welte. Petroleum Fromation and Occurrence: A New Approach to Oil and Gas Exploration. New york: Springer- Verlag, 1978.

Dyfyniad MLA

Tissot, B P., and D H. Welte. Petroleum Fromation and Occurrence: A New Approach to Oil and Gas Exploration. Springer- Verlag, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.