APA-ийн эшлэл(7 дахь хэвлэлт)

Viding, E., Spinath, F., Price, T., Bishop, D., Dale, P., & Plomin, R. (2004). Genetic and environmental influence on language impairment in 4-year-old same-sex and opposite-sex twins.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Viding, E., F. Spinath, T. Price, D. Bishop, P. Dale, ба R. Plomin. Genetic and Environmental Influence on Language Impairment in 4-year-old Same-sex and Opposite-sex Twins. 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Viding, E., et al. Genetic and Environmental Influence on Language Impairment in 4-year-old Same-sex and Opposite-sex Twins. 2004.