Catalogue Persistent Identifier
https://nla.gov.au/nla.cat-vn1632653
APA Citation
(1980). The principles and practice of the chinese abacus /by Lau Chung Him. Hong Kong : Lau Chung Him
MLA Citation
The principles and practice of the chinese abacus /by Lau Chung Him Lau Chung Him Hong Kong 1980
Australian/Harvard Citation
1980, The principles and practice of the chinese abacus /by Lau Chung Him Lau Chung Him Hong Kong
Wikipedia Citation
{{Citation | title=The principles and practice of the chinese abacus /by Lau Chung Him | year=1980 | publisher=Lau Chung Him | language=English }}