APA-viite (7. p.)
Spores, R. (1972). An archaeological settlement survey of the Nochixtlán Valley, Oaxaca. Vanderbilt University.
Chicago-viite (17. p.)
Spores, Ronald. An Archaeological Settlement Survey of the Nochixtlán Valley, Oaxaca. Nashville, Tennessee: Vanderbilt University, 1972.
MLA-viite (9. p.)
Spores, Ronald. An Archaeological Settlement Survey of the Nochixtlán Valley, Oaxaca. Vanderbilt University, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.