Keyes, R. J. B. K., & Halpern, P. G. (1972). The Keyes papers: Selections from the private and official correspondence of Admiral of the Fleet Baron Keyes of Zeebrugge. Printed for the Navy Records Society.
Čikaški stil citiranja (17. izdanje)Keyes, Roger John Brownlow Keyes, i Paul G. Halpern. The Keyes Papers: Selections from the Private and Official Correspondence of Admiral of the Fleet Baron Keyes of Zeebrugge. London: Printed for the Navy Records Society, 1972.
MLA način citiranja (8. izdanje)Keyes, Roger John Brownlow Keyes, i Paul G. Halpern. The Keyes Papers: Selections from the Private and Official Correspondence of Admiral of the Fleet Baron Keyes of Zeebrugge. Printed for the Navy Records Society, 1972.
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