توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Allchin, C. (2011). Sydney At 12 Million: A network structure for a landscape city ; With a projected population of 12 million by 2100. Topos.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Allchin, Craig. "Sydney At 12 Million: A Network Structure for a Landscape City ; With a Projected Population of 12 Million by 2100." Topos 2011.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Allchin, Craig. "Sydney At 12 Million: A Network Structure for a Landscape City ; With a Projected Population of 12 Million by 2100." Topos, 2011.