APA

O'Callaghan P. W., O'Calaghan P. W., . (1978). Building for energy conservation. Oxford, New York, Toronto, Sydney, Paris, Kronberg-Taunus: Pergamon Press.

Chicago

O'Callaghan Paul W, O'Calaghan Paul W, . 1978. Building for energy conservation. Oxford, New York, Toronto, Sydney, Paris, Kronberg-Taunus: Pergamon Press.

Harvard

O'Callaghan P. W., O'Calaghan P. W., . (1978). Building for energy conservation. Oxford, New York, Toronto, Sydney, Paris, Kronberg-Taunus: Pergamon Press.

MLA

O'Callaghan Paul W, O'Calaghan Paul W, . Building for energy conservation. Oxford, New York, Toronto, Sydney, Paris, Kronberg-Taunus: Pergamon Press. 1978.