Tohutoro APA (7th ed.)
Foster, R. J. (1998). Celebration of discipline: The path to spiritual growth (20th anniversary ed., 3rd ed., rev. ed.). HarperSanFrancisco.
Tohutoru Kātū Chicago (17th ed.)
Foster, Richard J. Celebration of Discipline: The Path to Spiritual Growth. 20th anniversary ed., 3rd ed., rev. ed. San Francisco: HarperSanFrancisco, 1998.
Tohutoro MLA (9th ed.)
Foster, Richard J. Celebration of Discipline: The Path to Spiritual Growth. 20th anniversary ed., 3rd ed., rev. ed. HarperSanFrancisco, 1998.
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