Esseesy, Mohssen
Grammaticalization of Arabic Prepositions and Subordinators a corpus-based study
Brill, 2010
 Buku Teks
Dewi Anggraeni
Parallel forces
Indra Pub, 1988
 Buku Teks
Kihara, Taro
Intermolecular forces
John Wiley & Sons, 1978
 Buku Teks
Syntactic change : a minimalist approach to grammaticalization / Ian Roberts and Anna Roussou.
Cambridge University Press, 2003
 eBooks
Penggramatikalan makna subjektif dalam bahasa indonesia (grammaticalization of subjective meaning in indonesia)
 Artikel Jurnal