Marden, O. S. (1894). Pushing to the front: Or, Success under difficulties; a book of inspiration and encouragement to all who are struggling for self-elevation along the paths of knowledge and of duty. Thomas Y. Crowell Company.
Citace podle Chicago (17th ed.)Marden, Orison Swett. Pushing to the Front: Or, Success Under Difficulties; a Book of Inspiration and Encouragement to All Who Are Struggling for Self-elevation Along the Paths of Knowledge and of Duty. New York: Thomas Y. Crowell Company, 1894.
Citace podle MLA (8th ed.)Marden, Orison Swett. Pushing to the Front: Or, Success Under Difficulties; a Book of Inspiration and Encouragement to All Who Are Struggling for Self-elevation Along the Paths of Knowledge and of Duty. Thomas Y. Crowell Company, 1894.
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