APA

OEEC, . (1956). Drainage and use of methane from coal-fields fire-damp. Paris: European Productivity Agency of the Organization for European Economic Co-operation.

Chicago

OEEC, . 1956. Drainage and use of methane from coal-fields fire-damp. Paris: European Productivity Agency of the Organization for European Economic Co-operation.

Harvard

OEEC, . (1956). Drainage and use of methane from coal-fields fire-damp. Paris: European Productivity Agency of the Organization for European Economic Co-operation.

MLA

OEEC, . Drainage and use of methane from coal-fields fire-damp. Paris: European Productivity Agency of the Organization for European Economic Co-operation. 1956.