APA

Energy Resources Conservation Board E., . (1990). Guide to minimum casing design requirements. Calgary, Alberta: Energy Resources Conservation Board, ERCB.

Chicago

Energy Resources Conservation Board ERCB, . 1990. Guide to minimum casing design requirements. Calgary, Alberta: Energy Resources Conservation Board, ERCB.

Harvard

Energy Resources Conservation Board E., . (1990). Guide to minimum casing design requirements. Calgary, Alberta: Energy Resources Conservation Board, ERCB.

MLA

Energy Resources Conservation Board ERCB, . Guide to minimum casing design requirements. Calgary, Alberta: Energy Resources Conservation Board, ERCB. 1990.