APA

Sanna U., Valera & Lo Schiavo R. G. F. (2005). Conclusions and suggestions for future research. Montagnac: Editions Monique Mergoil.

Chicago

Sanna Ulrico, Valera and Lo Schiavo Roberto G Fulvia. 2005. Conclusions and suggestions for future research. Montagnac: Editions Monique Mergoil.

Harvard

Sanna U., Valera and Lo Schiavo R. G. F. (2005). Conclusions and suggestions for future research. Montagnac: Editions Monique Mergoil.

MLA

Sanna Ulrico, Valera and Lo Schiavo Roberto G Fulvia. Conclusions and suggestions for future research. Montagnac: Editions Monique Mergoil. 2005.