APA-referens (7:e uppl.)

Nb̀rd̀i Andrs̀, Szőllősi Ls̀zl ̤, & Faculty of Agricultural Economics and Rural Development, U. o. D. Key aspects of investment analysis.

Chicago-referens (17:e uppl.)

Nb̀rd̀i Andrs̀, Szőllősi Ls̀zl ̤, och University of Debrecen Faculty of Agricultural Economics and Rural Development. Key Aspects of Investment Analysis.

MLA-referens (9:e uppl.)

Nb̀rd̀i Andrs̀, et al. Key Aspects of Investment Analysis.