(2017). PBL starter kit: To-the-point advice, tools and tips for your first project in middle or high school / [Principal author, John Larmer ; secondary authors, David Ross, John R. Mergendoller].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)PBL Starter Kit: To-the-point Advice, Tools and Tips for Your First Project in Middle or High School / [Principal Author, John Larmer ; Secondary Authors, David Ross, John R. Mergendoller]. 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)PBL Starter Kit: To-the-point Advice, Tools and Tips for Your First Project in Middle or High School / [Principal Author, John Larmer ; Secondary Authors, David Ross, John R. Mergendoller]. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.