APA-ийн эшлэл(7 дахь хэвлэлт)

Monday, J. C., & Vick, F. B. (2007). Petra's legacy: The South Texas ranching empire of Petra Vela and Mifflin Kenedy. Texas A&M University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Monday, Jane Clements, ба Frances Brannen Vick. Petra's Legacy: The South Texas Ranching Empire of Petra Vela and Mifflin Kenedy. College Station: Texas A&M University Press, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Monday, Jane Clements, ба Frances Brannen Vick. Petra's Legacy: The South Texas Ranching Empire of Petra Vela and Mifflin Kenedy. Texas A&M University Press, 2007.