APA

mumby، frank . a, . (1970). the great world war a history. london: the gresham publishing company،.

Chicago

mumby، frank . a, . 1970. the great world war a history. london: the gresham publishing company،.

Harvard

mumby، frank . a, . (1970). the great world war a history. london: the gresham publishing company،.

MLA

mumby، frank . a, . the great world war a history. london: the gresham publishing company،. 1970.