APA

Gray R. Q., Gray R., . (1981). The aristocracy of labour in nineteenth-century Britain, c. 1850 - 1900. London [u.a.]: Macmillan.

Chicago

Gray Robert Q, Gray Robert, . 1981. The aristocracy of labour in nineteenth-century Britain, c. 1850 - 1900. London [u.a.]: Macmillan.

Harvard

Gray R. Q., Gray R., . (1981). The aristocracy of labour in nineteenth-century Britain, c. 1850 - 1900. London [u.a.]: Macmillan.

MLA

Gray Robert Q, Gray Robert, . The aristocracy of labour in nineteenth-century Britain, c. 1850 - 1900. London [u.a.]: Macmillan. 1981.