HALLETT, Robin, [no date]. The penetration of Africa : European enterprise and exploration principally in northern and western Africa up to 1830. London: Routledge & Kegan Paul.
Elsevier - Harvard (with titles)Hallett, R., o. J. The penetration of Africa : European enterprise and exploration principally in northern and western Africa up to 1830. Routledge & Kegan Paul, London.
American Psychological Association 7th editionHallett, R. (o. J.). The penetration of Africa : European enterprise and exploration principally in northern and western Africa up to 1830 [Book]. Routledge & Kegan Paul.
Springer - Basic (author-date)Hallett R The penetration of Africa : European enterprise and exploration principally in northern and western Africa up to 1830. Routledge & Kegan Paul, London
Juristische Zitierweise (Stüber) (Deutsch)Hallett, Robin, The penetration of Africa : European enterprise and exploration principally in northern and western Africa up to 1830, London .