APA (7th ed.) Zitazioa
Higgs, L. C. (1998). Help! I'm laughing and I can't get up. T. Nelson Publishers.
Chicago Style (17th ed.) Zitazioa
Higgs, Liz Curtis. Help! I'm Laughing and I Can't Get Up. Nashville, Tenn.: T. Nelson Publishers, 1998.
MLA (9th ed.) Zitazioa
Higgs, Liz Curtis. Help! I'm Laughing and I Can't Get Up. T. Nelson Publishers, 1998.
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