APA Style

SCHMIEDICKE, R, E. (ttth). Principles of Cost Accounting (Pokok-pokok Akuntansi Biaya) (7). Yogyakarta: AK GROUP.

MLA Style

SCHMIEDICKE, ROBERT, E.. "Principles of Cost Accounting (Pokok-pokok Akuntansi Biaya)". 7 Yogyakarta: AK GROUP, ttth. Text.