Sonntag, S. (2010). Teaching, the hardest job you'll ever love!: Helpful ideas for teachers in and out of the classroom. Rowman & Littlefield Education.
Citace podle Chicago (17th ed.)Sonntag, Steve. Teaching, the Hardest Job You'll Ever Love!: Helpful Ideas for Teachers in and Out of the Classroom. Lanham, MD: Rowman & Littlefield Education, 2010.
Citace podle MLA (9th ed.)Sonntag, Steve. Teaching, the Hardest Job You'll Ever Love!: Helpful Ideas for Teachers in and Out of the Classroom. Rowman & Littlefield Education, 2010.
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