Παραπομπή σε μορφή APA (7η εκδ.)

Zhu, Y., Lepp, N., & Naidu, R. (2007). Biogeochemistry of trace elements: Environmental protection, remediation and human health. Tsinghua University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zhu, Yongguan, Nicholas Lepp, και Ravi Naidu. Biogeochemistry of Trace Elements: Environmental Protection, Remediation and Human Health. Beijing: Tsinghua University Press, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Zhu, Yongguan, et al. Biogeochemistry of Trace Elements: Environmental Protection, Remediation and Human Health. Tsinghua University Press, 2007.