Longstaff, L. W., & Brockwell, M. W. (1915). Extract from the Catalogue of the pictures in the collection of Lord St. Oswald at Nostell Priory by Maurice W. Brockwell: Published by Constable & Co Ltd 1915 : photographs by W F Gray.
Παραπομπή σε μορφή Chicago (17η εκδ.)Longstaff, Leonard William, και Maurice Walter Brockwell. Extract from the Catalogue of the Pictures in the Collection of Lord St. Oswald at Nostell Priory by Maurice W. Brockwell: Published by Constable & Co Ltd 1915 : Photographs by W F Gray. 1915.
Παραπομπή σε μορφή MLA (8th εκδ.)Longstaff, Leonard William, και Maurice Walter Brockwell. Extract from the Catalogue of the Pictures in the Collection of Lord St. Oswald at Nostell Priory by Maurice W. Brockwell: Published by Constable & Co Ltd 1915 : Photographs by W F Gray. 1915.