ÐìÔò³¼. (2018). ±±ÉÏ: Northward. ±±¾©Ê®ÔÂÎÄÒÕ³ö°æÉç.
Chicago Style (17th ed.) CitationÐìÔò³¼. ±±ÉÏ: Northward. ±±¾©Ê®ÔÂÎÄÒÕ³ö°æÉç, 2018.
Cita MLAÐìÔò³¼. ±±ÉÏ: Northward. ±±¾©Ê®ÔÂÎÄÒÕ³ö°æÉç, 2018.
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