Petit, Z. (2015). The essential guide to freelance writing: How to write, work, & thrive on your own terms. Writer's Digest Books.
Citace podle Chicago (17th ed.)Petit, Zachary. The Essential Guide to Freelance Writing: How to Write, Work, & Thrive on Your Own Terms. Cincinnati, Ohio: Writer's Digest Books, 2015.
Citace podle MLA (9th ed.)Petit, Zachary. The Essential Guide to Freelance Writing: How to Write, Work, & Thrive on Your Own Terms. Writer's Digest Books, 2015.
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