APA-viite (7. p.)

WEELE ARJAN J VAN. (2001). PURCHASING AND SUPPLY CHAIN MANAGEMENT: ANALYSIS, PLANNING AND PRACTICE (2ND.). VIKAS PUBLISHING HOUSE PVT. LTD.

Chicago-viite (17. p.)

WEELE ARJAN J VAN. PURCHASING AND SUPPLY CHAIN MANAGEMENT: ANALYSIS, PLANNING AND PRACTICE. 2ND. AUSTRALIA: VIKAS PUBLISHING HOUSE PVT. LTD, 2001.

MLA-viite (9. p.)

WEELE ARJAN J VAN. PURCHASING AND SUPPLY CHAIN MANAGEMENT: ANALYSIS, PLANNING AND PRACTICE. 2ND. VIKAS PUBLISHING HOUSE PVT. LTD, 2001.